13017764579864 has 64 divisors (see below), whose sum is σ = 26720502510240. Its totient is φ = 5896445608960.

The previous prime is 13017764579861. The next prime is 13017764579893. The reversal of 13017764579864 is 46897546771031.

It is a junction number, because it is equal to n+sod(n) for n = 13017764579794 and 13017764579803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13017764579861) 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, 566643482 + ... + 566666454.

Almost surely, 2^{13017764579864} is an apocalyptic number.

It is an amenable number.

13017764579864 is an abundant number, since it is smaller than the sum of its proper divisors (13702737930376).

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

13017764579864 is a wasteful number, since it uses less digits than its factorization.

13017764579864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45260 (or 45256 counting only the distinct ones).

The product of its (nonzero) digits is 213373440, while the sum is 68.

The spelling of 13017764579864 in words is "thirteen trillion, seventeen billion, seven hundred sixty-four million, five hundred seventy-nine thousand, eight hundred sixty-four".