37538197142021 has 4 divisors (see below), whose sum is σ = 37538225074944. Its totient is φ = 37538169209100.

The previous prime is 37538197142003. The next prime is 37538197142053. The reversal of 37538197142021 is 12024179183573.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 37538197142021 - 2³⁰ = 37537123400197 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 (37538197142821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11843045 + ... + 14674266.

It is an arithmetic number, because the mean of its divisors is an integer number (9384556268736).

Almost surely, 2^{37538197142021} is an apocalyptic number.

It is an amenable number.

37538197142021 is a deficient number, since it is larger than the sum of its proper divisors (27932923).

37538197142021 is a wasteful number, since it uses less digits than its factorization.

37538197142021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27932922.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 37538197142021 in words is "thirty-seven trillion, five hundred thirty-eight billion, one hundred ninety-seven million, one hundred forty-two thousand, twenty-one".