65413915794 has 32 divisors (see below), whose sum is σ = 145556375040. Its totient is φ = 21775820976.

The previous prime is 65413915793. The next prime is 65413915807. The reversal of 65413915794 is 49751931456.

65413915794 is a `hidden beast` number, since 6 + 5 + 413 + 91 + 57 + 94 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 65413915794.

It is not an unprimeable number, because it can be changed into a prime (65413915793) 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 15 ways as a sum of consecutive naturals, for example, 759234 + ... + 840989.

It is an arithmetic number, because the mean of its divisors is an integer number (4548636720).

Almost surely, 2^65413915794 is an apocalyptic number.

65413915794 is an abundant number, since it is smaller than the sum of its proper divisors (80142459246).

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

65413915794 is a wasteful number, since it uses less digits than its factorization.

65413915794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600991 (or 1600985 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The spelling of 65413915794 in words is "sixty-five billion, four hundred thirteen million, nine hundred fifteen thousand, seven hundred ninety-four".