642112264270 has 64 divisors (see below), whose sum is σ = 1219997376000. Its totient is φ = 242655004800.

The previous prime is 642112264247. The next prime is 642112264331. The reversal of 642112264270 is 72462211246.

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 31 ways as a sum of consecutive naturals, for example, 127123245 + ... + 127128295.

It is an arithmetic number, because the mean of its divisors is an integer number (19062459000).

Almost surely, 2^642112264270 is an apocalyptic number.

642112264270 is a deficient number, since it is larger than the sum of its proper divisors (577885111730).

642112264270 is a wasteful number, since it uses less digits than its factorization.

642112264270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6793.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 642112264270 in words is "six hundred forty-two billion, one hundred twelve million, two hundred sixty-four thousand, two hundred seventy".