37486125221 has 4 divisors (see below), whose sum is σ = 39459079200. Its totient is φ = 35513171244.

The previous prime is 37486125163. The next prime is 37486125227. The reversal of 37486125221 is 12252168473.

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 de Polignac number, because none of the positive numbers 2^k-37486125221 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 (37486125227) 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, 986476961 + ... + 986476998.

It is an arithmetic number, because the mean of its divisors is an integer number (9864769800).

Almost surely, 2^37486125221 is an apocalyptic number.

It is an amenable number.

37486125221 is a deficient number, since it is larger than the sum of its proper divisors (1972953979).

37486125221 is a wasteful number, since it uses less digits than its factorization.

37486125221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972953978.

The product of its digits is 161280, while the sum is 41.

The spelling of 37486125221 in words is "thirty-seven billion, four hundred eighty-six million, one hundred twenty-five thousand, two hundred twenty-one".