9576380421 has 12 divisors (see below), whose sum is σ = 13833648972. Its totient is φ = 6383746176.

The previous prime is 9576380369. The next prime is 9576380431. The reversal of 9576380421 is 1240836759.

9576380421 is a `hidden beast` number, since 9 + 5 + 7 + 638 + 0 + 4 + 2 + 1 = 666.

9576380421 is digitally balanced in base 2 and base 10, because in such bases it contains all the possibile digits an equal number of times.

9576380421 is a nontrivial binomial coefficient, being equal to C(138394, 2).

It can be written as a sum of positive squares in 2 ways, for example, as 9256364100 + 320016321 = 96210^2 + 17889^2 .

It is not a de Polignac number, because 9576380421 - 2⁹ = 9576379909 is a prime.

9576380421 is strictly pandigital in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9576380431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103795 + ... + 172991.

It is an arithmetic number, because the mean of its divisors is an integer number (1152804081).

It is a 1-persistent number, because it is pandigital, but 2⋅9576380421 = 19152760842 is not.

Almost surely, 2^9576380421 is an apocalyptic number.

9576380421 is the 138393-rd triangular number and also the 69197-th hexagonal number.

It is an amenable number.

9576380421 is a deficient number, since it is larger than the sum of its proper divisors (4257268551).

9576380421 is a wasteful number, since it uses less digits than its factorization.

9576380421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84580 (or 84577 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 9576380421 is about 97858.9823215018. The cubic root of 9576380421 is about 2123.5726827433.

It can be divided in two parts, 957 and 6380421, that added together give a triangular number (6381378 = T₃₅₇₂).

The spelling of 9576380421 in words is "nine billion, five hundred seventy-six million, three hundred eighty thousand, four hundred twenty-one".