642342514 has 32 divisors (see below), whose sum is σ = 1098510336. Its totient is φ = 279096720.

The previous prime is 642342497. The next prime is 642342523. The reversal of 642342514 is 415243246.

642342514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37239 + ... + 51685.

It is an arithmetic number, because the mean of its divisors is an integer number (34328448).

Almost surely, 2^642342514 is an apocalyptic number.

642342514 is a deficient number, since it is larger than the sum of its proper divisors (456167822).

642342514 is a wasteful number, since it uses less digits than its factorization.

642342514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14550.

The product of its digits is 23040, while the sum is 31.

The square root of 642342514 is about 25344.4769920391. The cubic root of 642342514 is about 862.8240111223.

The spelling of 642342514 in words is "six hundred forty-two million, three hundred forty-two thousand, five hundred fourteen".