6315791634 has 48 divisors (see below), whose sum is σ = 14869121280. Its totient is φ = 1930119840.

The previous prime is 6315791623. The next prime is 6315791681. The reversal of 6315791634 is 4361975136.

It is a happy number.

6315791634 is a `hidden beast` number, since 6 + 3 + 1 + 5 + 7 + 9 + 1 + 634 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6315791634.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 287257 + ... + 308460.

It is an arithmetic number, because the mean of its divisors is an integer number (309773360).

Almost surely, 2^6315791634 is an apocalyptic number.

6315791634 is an abundant number, since it is smaller than the sum of its proper divisors (8553329646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6315791634 is a wasteful number, since it uses less digits than its factorization.

6315791634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595775 (or 595772 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 6315791634 is about 79471.9550155902. The cubic root of 6315791634 is about 1848.4566269856.

The spelling of 6315791634 in words is "six billion, three hundred fifteen million, seven hundred ninety-one thousand, six hundred thirty-four".