13504500439859 has 16 divisors (see below), whose sum is σ = 15867618756864. Its totient is φ = 11330882445600.

The previous prime is 13504500439799. The next prime is 13504500439861. The reversal of 13504500439859 is 95893400540531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13504500439859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13504500439879) 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, 5483447 + ... + 7554944.

It is an arithmetic number, because the mean of its divisors is an integer number (991726172304).

Almost surely, 2^{13504500439859} is an apocalyptic number.

13504500439859 is a deficient number, since it is larger than the sum of its proper divisors (2363118317005).

13504500439859 is a wasteful number, since it uses less digits than its factorization.

13504500439859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13045658.

The product of its (nonzero) digits is 11664000, while the sum is 56.

The spelling of 13504500439859 in words is "thirteen trillion, five hundred four billion, five hundred million, four hundred thirty-nine thousand, eight hundred fifty-nine".