642723373374 has 32 divisors (see below), whose sum is σ = 1287616569120. Its totient is φ = 213879739392.

The previous prime is 642723373307. The next prime is 642723373417. The reversal of 642723373374 is 473373327246.

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 15 ways as a sum of consecutive naturals, for example, 10679014 + ... + 10739030.

It is an arithmetic number, because the mean of its divisors is an integer number (40238017785).

Almost surely, 2^642723373374 is an apocalyptic number.

642723373374 is an abundant number, since it is smaller than the sum of its proper divisors (644893195746).

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

642723373374 is a wasteful number, since it uses less digits than its factorization.

642723373374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63004.

The product of its digits is 10668672, while the sum is 51.

The spelling of 642723373374 in words is "six hundred forty-two billion, seven hundred twenty-three million, three hundred seventy-three thousand, three hundred seventy-four".