6315004404891 has 256 divisors, whose sum is σ = 12251339161600. Its totient is φ = 3121777967616.

The previous prime is 6315004404881. The next prime is 6315004404913. The reversal of 6315004404891 is 1984044005136.

6315004404891 is a `hidden beast` number, since 6 + 3 + 150 + 0 + 4 + 404 + 8 + 91 = 666.

It is not a de Polignac number, because 6315004404891 - 2⁶ = 6315004404827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6315004404851) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2353708836 + ... + 2353711518.

It is an arithmetic number, because the mean of its divisors is an integer number (47856793600).

Almost surely, 2^{6315004404891} is an apocalyptic number.

6315004404891 is a deficient number, since it is larger than the sum of its proper divisors (5936334756709).

6315004404891 is a wasteful number, since it uses less digits than its factorization.

6315004404891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255 (or 3249 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 6315004404891 in words is "six trillion, three hundred fifteen billion, four million, four hundred four thousand, eight hundred ninety-one".