37907215213 has 12 divisors (see below), whose sum is σ = 46690040412. Its totient is φ = 30580609920.

The previous prime is 37907215133. The next prime is 37907215261. The reversal of 37907215213 is 31251270973.

It can be written as a sum of positive squares in 2 ways, for example, as 32973838569 + 4933376644 = 181587^2 + 70238^2 .

It is not a de Polignac number, because 37907215213 - 2¹⁷ = 37907084141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37907218213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22752598 + ... + 22754263.

It is an arithmetic number, because the mean of its divisors is an integer number (3890836701).

Almost surely, 2^37907215213 is an apocalyptic number.

It is an amenable number.

37907215213 is a deficient number, since it is larger than the sum of its proper divisors (8782825199).

37907215213 is a wasteful number, since it uses less digits than its factorization.

37907215213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45506892 (or 45506885 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 37907215213 in words is "thirty-seven billion, nine hundred seven million, two hundred fifteen thousand, two hundred thirteen".