639590241622 has 16 divisors (see below), whose sum is σ = 992677910400. Its totient is φ = 308702278080.

The previous prime is 639590241581. The next prime is 639590241623. The reversal of 639590241622 is 226142095936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (639590241623) by changing a digit.

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, 891654 + ... + 1440217.

It is an arithmetic number, because the mean of its divisors is an integer number (62042369400).

Almost surely, 2^639590241622 is an apocalyptic number.

639590241622 is a deficient number, since it is larger than the sum of its proper divisors (353087668778).

639590241622 is a wasteful number, since it uses less digits than its factorization.

639590241622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336631.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 639590241622 in words is "six hundred thirty-nine billion, five hundred ninety million, two hundred forty-one thousand, six hundred twenty-two".