8057639411809 has 16 divisors (see below), whose sum is σ = 8914954983760. Its totient is φ = 7234386048000.

The previous prime is 8057639411803. The next prime is 8057639411831. The reversal of 8057639411809 is 9081149367508.

It can be written as a sum of positive squares in 8 ways, for example, as 99034201809 + 7958605210000 = 314697^2 + 2821100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8057639411809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8057639411803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1347564 + ... + 4234525.

It is an arithmetic number, because the mean of its divisors is an integer number (557184686485).

Almost surely, 2^{8057639411809} is an apocalyptic number.

It is an amenable number.

8057639411809 is a deficient number, since it is larger than the sum of its proper divisors (857315571951).

8057639411809 is a wasteful number, since it uses less digits than its factorization.

8057639411809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5585140.

The product of its (nonzero) digits is 13063680, while the sum is 61.

The spelling of 8057639411809 in words is "eight trillion, fifty-seven billion, six hundred thirty-nine million, four hundred eleven thousand, eight hundred nine".