37041236521 has 3 divisors (see below), whose sum is σ = 37041428983. Its totient is φ = 37041044060.

The previous prime is 37041236503. The next prime is 37041236543. The reversal of 37041236521 is 12563214073.

The square root of 37041236521 is 192461.

It is a perfect power (a square), and thus also a powerful number.

37041236521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 25173312921 + 11867923600 = 158661^2 + 108940^2 .

It is not a de Polignac number, because 37041236521 - 2⁹ = 37041236009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37041236821) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 96231 + ... + 288691.

Almost surely, 2^37041236521 is an apocalyptic number.

37041236521 is the 192461-st square number.

37041236521 is the 96231-st centered octagonal number.

It is an amenable number.

37041236521 is a deficient number, since it is larger than the sum of its proper divisors (192462).

37041236521 is an frugal number, since it uses more digits than its factorization.

37041236521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384922 (or 192461 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 37041236521 in words is "thirty-seven billion, forty-one million, two hundred thirty-six thousand, five hundred twenty-one".