523631313412646 has 16 divisors (see below), whose sum is σ = 800507463601680. Its totient is φ = 256814912578560.

The previous prime is 523631313412631. The next prime is 523631313412679. The reversal of 523631313412646 is 646214313136325.

It is a junction number, because it is equal to n+sod(n) for n = 523631313412594 and 523631313412603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4855037435 + ... + 4855145286.

It is an arithmetic number, because the mean of its divisors is an integer number (50031716475105).

Almost surely, 2^{523631313412646} is an apocalyptic number.

523631313412646 is a deficient number, since it is larger than the sum of its proper divisors (276876150189034).

523631313412646 is a wasteful number, since it uses less digits than its factorization.

523631313412646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9710183239.

The product of its digits is 5598720, while the sum is 50.

The spelling of 523631313412646 in words is "five hundred twenty-three trillion, six hundred thirty-one billion, three hundred thirteen million, four hundred twelve thousand, six hundred forty-six".