37121360641 has 4 divisors (see below), whose sum is σ = 37122156592. Its totient is φ = 37120564692.

The previous prime is 37121360603. The next prime is 37121360659. The reversal of 37121360641 is 14606312173.

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 37121360641 - 2²⁹ = 36584489729 is a prime.

It is a super-3 number, since 3×37121360641³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 37121360597 and 37121360606.

It is not an unprimeable number, because it can be changed into a prime (37121360671) 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, 323355 + ... + 422848.

It is an arithmetic number, because the mean of its divisors is an integer number (9280539148).

Almost surely, 2^37121360641 is an apocalyptic number.

It is an amenable number.

37121360641 is a deficient number, since it is larger than the sum of its proper divisors (795951).

37121360641 is an equidigital number, since it uses as much as digits as its factorization.

37121360641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795950.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 37121360641 in words is "thirty-seven billion, one hundred twenty-one million, three hundred sixty thousand, six hundred forty-one".