10772384363821 has 4 divisors (see below), whose sum is σ = 10772423664444. Its totient is φ = 10772345063200.

The previous prime is 10772384363813. The next prime is 10772384363827. The reversal of 10772384363821 is 12836348327701.

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 3857535611721 + 6914848752100 = 1964061^2 + 2629610^2 .

It is a cyclic number.

It is not a de Polignac number, because 10772384363821 - 2³ = 10772384363813 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 (10772384363827) 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, 19236250 + ... + 19788331.

It is an arithmetic number, because the mean of its divisors is an integer number (2693105916111).

Almost surely, 2^{10772384363821} is an apocalyptic number.

It is an amenable number.

10772384363821 is a deficient number, since it is larger than the sum of its proper divisors (39300623).

10772384363821 is an equidigital number, since it uses as much as digits as its factorization.

10772384363821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39300622.

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 10772384363821 in words is "ten trillion, seven hundred seventy-two billion, three hundred eighty-four million, three hundred sixty-three thousand, eight hundred twenty-one".