3671983402564 has 9 divisors (see below), whose sum is σ = 6425977661341. Its totient is φ = 1835989785040.

The previous prime is 3671983402523. The next prime is 3671983402643. The reversal of 3671983402564 is 4652043891763.

The square root of 3671983402564 is 1916242.

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., 3271243760964 + 400739641600 = 1808658^2 + 633040^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3671983402499 and 3671983402508.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3353424 + ... + 4311544.

It is a 2-persistent number, because it is pandigital, and so is 2⋅3671983402564 = 7343966805128, but 3⋅3671983402564 = 11015950207692 is not.

Almost surely, 2^{3671983402564} is an apocalyptic number.

3671983402564 is the 1916242-nd square number.

It is an amenable number.

3671983402564 is a deficient number, since it is larger than the sum of its proper divisors (2753994258777).

3671983402564 is an frugal number, since it uses more digits than its factorization.

3671983402564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916246 (or 958123 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 58.

The spelling of 3671983402564 in words is "three trillion, six hundred seventy-one billion, nine hundred eighty-three million, four hundred two thousand, five hundred sixty-four".