42331393162564 has 81 divisors (see below), whose sum is σ = 81734865613149. Its totient is φ = 19168997569920.

The previous prime is 42331393162547. The next prime is 42331393162577. The reversal of 42331393162564 is 46526139313324.

The square root of 42331393162564 is 6506258.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4747038712900 + 37584354449664 = 2178770^2 + 6130608^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 61978613367 + ... + 61978614049.

Almost surely, 2^{42331393162564} is an apocalyptic number.

42331393162564 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

42331393162564 is the 6506258-th square number.

It is an amenable number.

42331393162564 is a deficient number, since it is larger than the sum of its proper divisors (39403472450585).

42331393162564 is an frugal number, since it uses more digits than its factorization.

42331393162564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258 (or 1129 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 52.

The spelling of 42331393162564 in words is "forty-two trillion, three hundred thirty-one billion, three hundred ninety-three million, one hundred sixty-two thousand, five hundred sixty-four".