612430131686864 has 40 divisors (see below), whose sum is σ = 1187791887391200. Its totient is φ = 305903276486528.

The previous prime is 612430131686771. The next prime is 612430131686921. The reversal of 612430131686864 is 468686131034216.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114941687 + ... + 120151785.

It is an arithmetic number, because the mean of its divisors is an integer number (29694797184780).

Almost surely, 2^{612430131686864} is an apocalyptic number.

It is an amenable number.

612430131686864 is a deficient number, since it is larger than the sum of its proper divisors (575361755704336).

612430131686864 is a wasteful number, since it uses less digits than its factorization.

612430131686864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217587 (or 5217581 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 59.

The spelling of 612430131686864 in words is "six hundred twelve trillion, four hundred thirty billion, one hundred thirty-one million, six hundred eighty-six thousand, eight hundred sixty-four".