654764670812 has 24 divisors (see below), whose sum is σ = 1309546508256. Its totient is φ = 280609751808.

The previous prime is 654764670743. The next prime is 654764670821. The reversal of 654764670812 is 218076467456.

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, 3918608 + ... + 4082280.

It is an arithmetic number, because the mean of its divisors is an integer number (54564437844).

Almost surely, 2^654764670812 is an apocalyptic number.

It is an amenable number.

654764670812 is an abundant number, since it is smaller than the sum of its proper divisors (654781837444).

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

654764670812 is a wasteful number, since it uses less digits than its factorization.

654764670812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306557 (or 306555 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 654764670812 in words is "six hundred fifty-four billion, seven hundred sixty-four million, six hundred seventy thousand, eight hundred twelve".