503272402647665 has 16 divisors (see below), whose sum is σ = 690633259182720. Its totient is φ = 344885522611200.

The previous prime is 503272402647643. The next prime is 503272402647667. The reversal of 503272402647665 is 566746204272305.

It is not a de Polignac number, because 503272402647665 - 2¹⁰ = 503272402646641 is a prime.

It is a super-2 number, since 2×503272402647665² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (503272402647667) 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, 4490640875 + ... + 4490752944.

It is an arithmetic number, because the mean of its divisors is an integer number (43164578698920).

Almost surely, 2^{503272402647665} is an apocalyptic number.

It is an amenable number.

503272402647665 is a deficient number, since it is larger than the sum of its proper divisors (187360856535055).

503272402647665 is a wasteful number, since it uses less digits than its factorization.

503272402647665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8981395432.

The product of its (nonzero) digits is 101606400, while the sum is 59.

The spelling of 503272402647665 in words is "five hundred three trillion, two hundred seventy-two billion, four hundred two million, six hundred forty-seven thousand, six hundred sixty-five".