39181035364 has 27 divisors (see below), whose sum is σ = 72379422297. Its totient is φ = 18555874848.

The previous prime is 39181035353. The next prime is 39181035389. The reversal of 39181035364 is 46353018193.

The square root of 39181035364 is 197942.

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., 38432465764 + 748569600 = 196042^2 + 27360^2 .

It is a super-2 number, since 2×39181035364² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39181035364.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7519192 + ... + 7524400.

Almost surely, 2^39181035364 is an apocalyptic number.

39181035364 is the 197942-nd square number.

It is an amenable number.

39181035364 is a deficient number, since it is larger than the sum of its proper divisors (33198386933).

39181035364 is an frugal number, since it uses more digits than its factorization.

39181035364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10460 (or 5230 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 39181035364 in words is "thirty-nine billion, one hundred eighty-one million, thirty-five thousand, three hundred sixty-four".