642232468174 has 8 divisors (see below), whose sum is σ = 1050925857048. Its totient is φ = 291923849160.

The previous prime is 642232468151. The next prime is 642232468231. The reversal of 642232468174 is 471864232246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14596192437 + ... + 14596192480.

It is an arithmetic number, because the mean of its divisors is an integer number (131365732131).

Almost surely, 2^642232468174 is an apocalyptic number.

642232468174 is a deficient number, since it is larger than the sum of its proper divisors (408693388874).

642232468174 is a wasteful number, since it uses less digits than its factorization.

642232468174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29192384930.

The product of its digits is 3096576, while the sum is 49.

The spelling of 642232468174 in words is "six hundred forty-two billion, two hundred thirty-two million, four hundred sixty-eight thousand, one hundred seventy-four".