37980443979081 has 6 divisors (see below), whose sum is σ = 54860641303130. Its totient is φ = 25320295986048.

The previous prime is 37980443979031. The next prime is 37980443979083. The reversal of 37980443979081 is 18097934408973.

37980443979081 is a `hidden beast` number, since 3 + 7 + 9 + 8 + 0 + 443 + 97 + 90 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28868226343056 + 9112217636025 = 5372916^2 + 3018645^2 .

It is not a de Polignac number, because 37980443979081 - 2¹⁴ = 37980443962697 is a prime.

It is a super-2 number, since 2×37980443979081² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37980443979083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2110024665496 + ... + 2110024665513.

Almost surely, 2^{37980443979081} is an apocalyptic number.

It is an amenable number.

37980443979081 is a deficient number, since it is larger than the sum of its proper divisors (16880197324049).

37980443979081 is a wasteful number, since it uses less digits than its factorization.

37980443979081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220049331015 (or 4220049331012 counting only the distinct ones).

The product of its (nonzero) digits is 329204736, while the sum is 72.

The spelling of 37980443979081 in words is "thirty-seven trillion, nine hundred eighty billion, four hundred forty-three million, nine hundred seventy-nine thousand, eighty-one".