642852399174 has 16 divisors (see below), whose sum is σ = 1285723406640. Its totient is φ = 214281031680.

The previous prime is 642852399157. The next prime is 642852399191. The reversal of 642852399174 is 471993258246.

It is a happy number.

642852399174 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (642852399157) and next prime (642852399191).

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, 304219 + ... + 1173990.

It is an arithmetic number, because the mean of its divisors is an integer number (80357712915).

Almost surely, 2^642852399174 is an apocalyptic number.

642852399174 is an abundant number, since it is smaller than the sum of its proper divisors (642871007466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

642852399174 is a wasteful number, since it uses less digits than its factorization.

642852399174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550695.

The product of its digits is 26127360, while the sum is 60.

The spelling of 642852399174 in words is "six hundred forty-two billion, eight hundred fifty-two million, three hundred ninety-nine thousand, one hundred seventy-four".