612656405304 has 16 divisors (see below), whose sum is σ = 1531641013320. Its totient is φ = 204218801760.

The previous prime is 612656405269. The next prime is 612656405321. The reversal of 612656405304 is 403504656216.

612656405304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 12763675087 + ... + 12763675134.

Almost surely, 2^612656405304 is an apocalyptic number.

It is an amenable number.

612656405304 is an abundant number, since it is smaller than the sum of its proper divisors (918984608016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612656405304 is a wasteful number, since it uses less digits than its factorization.

612656405304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25527350230 (or 25527350226 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 612656405304 in words is "six hundred twelve billion, six hundred fifty-six million, four hundred five thousand, three hundred four".