683221814564 has 24 divisors (see below), whose sum is σ = 1237003064640. Its totient is φ = 329794957856.

The previous prime is 683221814557. The next prime is 683221814579. The reversal of 683221814564 is 465418122386.

It is a super-2 number, since 2×683221814564² (a number of 24 digits) contains 22 as substring.

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, 751169 + ... + 1389495.

It is an arithmetic number, because the mean of its divisors is an integer number (51541794360).

Almost surely, 2^683221814564 is an apocalyptic number.

It is an amenable number.

683221814564 is a deficient number, since it is larger than the sum of its proper divisors (553781250076).

683221814564 is a wasteful number, since it uses less digits than its factorization.

683221814564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647587 (or 647585 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 50.

The spelling of 683221814564 in words is "six hundred eighty-three billion, two hundred twenty-one million, eight hundred fourteen thousand, five hundred sixty-four".