36641539117 has 4 divisors (see below), whose sum is σ = 36642021916. Its totient is φ = 36641056320.

The previous prime is 36641539097. The next prime is 36641539127. The reversal of 36641539117 is 71193514663.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26645338756 + 9996200361 = 163234^2 + 99981^2 .

It is a cyclic number.

It is not a de Polignac number, because 36641539117 - 2³¹ = 34494055469 is a prime.

It is a super-2 number, since 2×36641539117² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36641539127) 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, 99918 + ... + 288559.

It is an arithmetic number, because the mean of its divisors is an integer number (9160505479).

Almost surely, 2^36641539117 is an apocalyptic number.

It is an amenable number.

36641539117 is a deficient number, since it is larger than the sum of its proper divisors (482799).

36641539117 is an equidigital number, since it uses as much as digits as its factorization.

36641539117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482798.

The product of its digits is 408240, while the sum is 46.

The spelling of 36641539117 in words is "thirty-six billion, six hundred forty-one million, five hundred thirty-nine thousand, one hundred seventeen".