36668371769 has 2 divisors, whose sum is σ = 36668371770. Its totient is φ = 36668371768.

The previous prime is 36668371721. The next prime is 36668371783. The reversal of 36668371769 is 96717386663.

36668371769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26510352400 + 10158019369 = 162820^2 + 100787^2 .

It is a cyclic number.

It is not a de Polignac number, because 36668371769 - 2⁸ = 36668371513 is a prime.

It is a super-2 number, since 2×36668371769² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36668376769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18334185884 + 18334185885.

It is an arithmetic number, because the mean of its divisors is an integer number (18334185885).

Almost surely, 2^36668371769 is an apocalyptic number.

It is an amenable number.

36668371769 is a deficient number, since it is larger than the sum of its proper divisors (1).

36668371769 is an equidigital number, since it uses as much as digits as its factorization.

36668371769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41150592, while the sum is 62.

The spelling of 36668371769 in words is "thirty-six billion, six hundred sixty-eight million, three hundred seventy-one thousand, seven hundred sixty-nine".