36640691379 has 96 divisors (see below), whose sum is σ = 60100185600. Its totient is φ = 21373424640.

The previous prime is 36640691371. The next prime is 36640691419. The reversal of 36640691379 is 97319604663.

36640691379 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 36640691379 - 2³ = 36640691371 is a prime.

It is a super-2 number, since 2×36640691379² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36640691371) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 43671442 + ... + 43672280.

It is an arithmetic number, because the mean of its divisors is an integer number (626043600).

Almost surely, 2^36640691379 is an apocalyptic number.

36640691379 is a deficient number, since it is larger than the sum of its proper divisors (23459494221).

36640691379 is a wasteful number, since it uses less digits than its factorization.

36640691379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 54.

The spelling of 36640691379 in words is "thirty-six billion, six hundred forty million, six hundred ninety-one thousand, three hundred seventy-nine".