639758083022 has 16 divisors (see below), whose sum is σ = 983717274672. Its totient is φ = 311879037120.

The previous prime is 639758083009. The next prime is 639758083033. The reversal of 639758083022 is 220380857936.

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, 6629879 + ... + 6725682.

It is an arithmetic number, because the mean of its divisors is an integer number (61482329667).

Almost surely, 2^639758083022 is an apocalyptic number.

639758083022 is a deficient number, since it is larger than the sum of its proper divisors (343959191650).

639758083022 is a wasteful number, since it uses less digits than its factorization.

639758083022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13356163.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 639758083022 in words is "six hundred thirty-nine billion, seven hundred fifty-eight million, eighty-three thousand, twenty-two".