36736437731 has 16 divisors (see below), whose sum is σ = 42915806400. Its totient is φ = 31433633280.

The previous prime is 36736437719. The next prime is 36736437739. The reversal of 36736437731 is 13773463763.

36736437731 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 36736437731 - 2²⁶ = 36669328867 is a prime.

It is a super-2 number, since 2×36736437731² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36736437731.

It is not an unprimeable number, because it can be changed into a prime (36736437739) 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, 105101 + ... + 290721.

It is an arithmetic number, because the mean of its divisors is an integer number (2682237900).

Almost surely, 2^36736437731 is an apocalyptic number.

36736437731 is a deficient number, since it is larger than the sum of its proper divisors (6179368669).

36736437731 is an equidigital number, since it uses as much as digits as its factorization.

36736437731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186219 (or 186205 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 50.

The spelling of 36736437731 in words is "thirty-six billion, seven hundred thirty-six million, four hundred thirty-seven thousand, seven hundred thirty-one".