36785360809 has 4 divisors (see below), whose sum is σ = 36796354704. Its totient is φ = 36774366916.

The previous prime is 36785360719. The next prime is 36785360819. The reversal of 36785360809 is 90806358763.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90806358763 = 1583 ⋅57363461.

It is a cyclic number.

It is not a de Polignac number, because 36785360809 - 2⁷ = 36785360681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36785360809.

It is not an unprimeable number, because it can be changed into a prime (36785360819) 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, 5491927 + ... + 5498620.

It is an arithmetic number, because the mean of its divisors is an integer number (9199088676).

Almost surely, 2^36785360809 is an apocalyptic number.

It is an amenable number.

36785360809 is a deficient number, since it is larger than the sum of its proper divisors (10993895).

36785360809 is a wasteful number, since it uses less digits than its factorization.

36785360809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10993894.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 36785360809 in words is "thirty-six billion, seven hundred eighty-five million, three hundred sixty thousand, eight hundred nine".