503426550263 has 24 divisors (see below), whose sum is σ = 650093580288. Its totient is φ = 380997425952.

The previous prime is 503426550251. The next prime is 503426550269. The reversal of 503426550263 is 362055624305.

It is not a de Polignac number, because 503426550263 - 2²² = 503422355959 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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 503426550263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503426550269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9223895 + ... + 9278312.

It is an arithmetic number, because the mean of its divisors is an integer number (27087232512).

Almost surely, 2^503426550263 is an apocalyptic number.

503426550263 is a deficient number, since it is larger than the sum of its proper divisors (146667030025).

503426550263 is a wasteful number, since it uses less digits than its factorization.

503426550263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18502263 (or 18502250 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 503426550263 in words is "five hundred three billion, four hundred twenty-six million, five hundred fifty thousand, two hundred sixty-three".