36431890765 has 12 divisors (see below), whose sum is σ = 46140335964. Its totient is φ = 27611536896.

The previous prime is 36431890763. The next prime is 36431890787. The reversal of 36431890765 is 56709813463.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23440222404 + 12991668361 = 153102^2 + 113981^2 .

It is not a de Polignac number, because 36431890765 - 2¹ = 36431890763 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 (36431890763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10090132 + ... + 10093741.

It is an arithmetic number, because the mean of its divisors is an integer number (3845027997).

Almost surely, 2^36431890765 is an apocalyptic number.

It is an amenable number.

36431890765 is a deficient number, since it is larger than the sum of its proper divisors (9708445199).

36431890765 is a wasteful number, since it uses less digits than its factorization.

36431890765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20183916 (or 20183897 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 36431890765 in words is "thirty-six billion, four hundred thirty-one million, eight hundred ninety thousand, seven hundred sixty-five".