4120589621 has 4 divisors (see below), whose sum is σ = 4120751244. Its totient is φ = 4120428000.

The previous prime is 4120589573. The next prime is 4120589647. The reversal of 4120589621 is 1269850214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1377448996 + 2743140625 = 37114^2 + 52375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4120589621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120589821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33230 + ... + 96671.

It is an arithmetic number, because the mean of its divisors is an integer number (1030187811).

Almost surely, 2^4120589621 is an apocalyptic number.

It is an amenable number.

4120589621 is a deficient number, since it is larger than the sum of its proper divisors (161623).

4120589621 is a wasteful number, since it uses less digits than its factorization.

4120589621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161622.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 4120589621 is about 64191.8189569356. The cubic root of 4120589621 is about 1603.1953877551.

The spelling of 4120589621 in words is "four billion, one hundred twenty million, five hundred eighty-nine thousand, six hundred twenty-one".