508621900513 has 4 divisors (see below), whose sum is σ = 520450316848. Its totient is φ = 496793484180.

The previous prime is 508621900481. The next prime is 508621900519. The reversal of 508621900513 is 315009126805.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 508621900513 - 2⁵ = 508621900481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (508621900519) 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, 5914208103 + ... + 5914208188.

It is an arithmetic number, because the mean of its divisors is an integer number (130112579212).

Almost surely, 2^508621900513 is an apocalyptic number.

It is an amenable number.

508621900513 is a deficient number, since it is larger than the sum of its proper divisors (11828416335).

508621900513 is a wasteful number, since it uses less digits than its factorization.

508621900513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11828416334.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 508621900513 in words is "five hundred eight billion, six hundred twenty-one million, nine hundred thousand, five hundred thirteen".