642051874335 has 32 divisors (see below), whose sum is σ = 1061704046592. Its totient is φ = 330980711040.

The previous prime is 642051874259. The next prime is 642051874339. The reversal of 642051874335 is 533478150246.

It is not a de Polignac number, because 642051874335 - 2⁷ = 642051874207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642051874339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 450244 + ... + 1219353.

It is an arithmetic number, because the mean of its divisors is an integer number (33178251456).

Almost surely, 2^642051874335 is an apocalyptic number.

642051874335 is a deficient number, since it is larger than the sum of its proper divisors (419652172257).

642051874335 is a wasteful number, since it uses less digits than its factorization.

642051874335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670463.

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 642051874335 in words is "six hundred forty-two billion, fifty-one million, eight hundred seventy-four thousand, three hundred thirty-five".