37900328121 has 12 divisors (see below), whose sum is σ = 55494849748. Its totient is φ = 24920763264.

The previous prime is 37900328111. The next prime is 37900328203. The reversal of 37900328121 is 12182300973.

37900328121 is a `hidden beast` number, since 379 + 0 + 0 + 3 + 281 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19659124521 + 18241203600 = 140211^2 + 135060^2 .

It is not a de Polignac number, because 37900328121 - 2⁹ = 37900327609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37900328111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28842820 + ... + 28844133.

Almost surely, 2^37900328121 is an apocalyptic number.

It is an amenable number.

37900328121 is a deficient number, since it is larger than the sum of its proper divisors (17594521627).

37900328121 is a wasteful number, since it uses less digits than its factorization.

37900328121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57687032 (or 57687029 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 37900328121 in words is "thirty-seven billion, nine hundred million, three hundred twenty-eight thousand, one hundred twenty-one".