503474306644 has 12 divisors (see below), whose sum is σ = 881094321184. Its totient is φ = 251733072024.

The previous prime is 503474306633. The next prime is 503474306659. The reversal of 503474306644 is 446603474305.

It is a junction number, because it is equal to n+sod(n) for n = 503474306594 and 503474306603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733824 + ... + 1243159.

Almost surely, 2^503474306644 is an apocalyptic number.

It is an amenable number.

503474306644 is a deficient number, since it is larger than the sum of its proper divisors (377620014540).

503474306644 is a wasteful number, since it uses less digits than its factorization.

503474306644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040654 (or 2040652 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 46.

The spelling of 503474306644 in words is "five hundred three billion, four hundred seventy-four million, three hundred six thousand, six hundred forty-four".