36695556649 has 4 divisors (see below), whose sum is σ = 36697877136. Its totient is φ = 36693236164.

The previous prime is 36695556631. The next prime is 36695556659. The reversal of 36695556649 is 94665559663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36695556649 - 2²⁷ = 36561338921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36695556659) 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, 1136359 + ... + 1168204.

It is an arithmetic number, because the mean of its divisors is an integer number (9174469284).

Almost surely, 2^36695556649 is an apocalyptic number.

It is an amenable number.

36695556649 is a deficient number, since it is larger than the sum of its proper divisors (2320487).

36695556649 is a wasteful number, since it uses less digits than its factorization.

36695556649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320486.

The product of its digits is 157464000, while the sum is 64.

The spelling of 36695556649 in words is "thirty-six billion, six hundred ninety-five million, five hundred fifty-six thousand, six hundred forty-nine".