36915089669 has 2 divisors, whose sum is σ = 36915089670. Its totient is φ = 36915089668.

The previous prime is 36915089663. The next prime is 36915089693. The reversal of 36915089669 is 96698051963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27064527169 + 9850562500 = 164513^2 + 99250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36915089669 is a prime.

It is a super-2 number, since 2×36915089669² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36915089663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18457544834 + 18457544835.

It is an arithmetic number, because the mean of its divisors is an integer number (18457544835).

Almost surely, 2^36915089669 is an apocalyptic number.

It is an amenable number.

36915089669 is a deficient number, since it is larger than the sum of its proper divisors (1).

36915089669 is an equidigital number, since it uses as much as digits as its factorization.

36915089669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18895680, while the sum is 62.

The spelling of 36915089669 in words is "thirty-six billion, nine hundred fifteen million, eighty-nine thousand, six hundred sixty-nine".