643062604124 has 24 divisors (see below), whose sum is σ = 1164310187040. Its totient is φ = 310405315136.

The previous prime is 643062604109. The next prime is 643062604139. The reversal of 643062604124 is 421406260346.

It is an interprime number because it is at equal distance from previous prime (643062604109) and next prime (643062604139).

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, 600089 + ... + 1283055.

It is an arithmetic number, because the mean of its divisors is an integer number (48512924460).

Almost surely, 2^643062604124 is an apocalyptic number.

It is an amenable number.

643062604124 is a deficient number, since it is larger than the sum of its proper divisors (521247582916).

643062604124 is a wasteful number, since it uses less digits than its factorization.

643062604124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691117 (or 691115 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 643062604124 in words is "six hundred forty-three billion, sixty-two million, six hundred four thousand, one hundred twenty-four".