37743986121 has 16 divisors (see below), whose sum is σ = 51698609664. Its totient is φ = 24476356224.

The previous prime is 37743986113. The next prime is 37743986141. The reversal of 37743986121 is 12168934773.

It is a happy number.

37743986121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 37743986121 - 2³ = 37743986113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (37743986141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416901 + ... + 499293.

It is an arithmetic number, because the mean of its divisors is an integer number (3231163104).

Almost surely, 2^37743986121 is an apocalyptic number.

It is an amenable number.

37743986121 is a deficient number, since it is larger than the sum of its proper divisors (13954623543).

37743986121 is a wasteful number, since it uses less digits than its factorization.

37743986121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86560.

The product of its digits is 1524096, while the sum is 51.

The spelling of 37743986121 in words is "thirty-seven billion, seven hundred forty-three million, nine hundred eighty-six thousand, one hundred twenty-one".