503157874699 has 4 divisors (see below), whose sum is σ = 503248230040. Its totient is φ = 503067519360.

The previous prime is 503157874643. The next prime is 503157874831. The reversal of 503157874699 is 996478751305.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503157874699 is a prime.

It is a super-2 number, since 2×503157874699² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 503157874699.

It is not an unprimeable number, because it can be changed into a prime (503157974699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45169317 + ... + 45180454.

It is an arithmetic number, because the mean of its divisors is an integer number (125812057510).

Almost surely, 2^503157874699 is an apocalyptic number.

503157874699 is a deficient number, since it is larger than the sum of its proper divisors (90355341).

503157874699 is an equidigital number, since it uses as much as digits as its factorization.

503157874699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90355340.

The product of its (nonzero) digits is 57153600, while the sum is 64.

The spelling of 503157874699 in words is "five hundred three billion, one hundred fifty-seven million, eight hundred seventy-four thousand, six hundred ninety-nine".