36807573609 has 15 divisors (see below), whose sum is σ = 54986732647. Its totient is φ = 24537231288.

The previous prime is 36807573571. The next prime is 36807573617. The reversal of 36807573609 is 90637570863.

The square root of 36807573609 is 191853.

It is a perfect power (a square), and thus also a powerful number.

36807573609 is a `hidden beast` number, since 3 + 6 + 8 + 0 + 7 + 573 + 60 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 36800667225 + 6906384 = 191835^2 + 2628^2 .

It is not a de Polignac number, because 36807573609 - 2¹⁵ = 36807540841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36807573629) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1716019 + ... + 1737335.

Almost surely, 2^36807573609 is an apocalyptic number.

36807573609 is the 191853-rd square number.

36807573609 is the 95927-th centered octagonal number.

It is an amenable number.

36807573609 is a deficient number, since it is larger than the sum of its proper divisors (18179159038).

36807573609 is an frugal number, since it uses more digits than its factorization.

36807573609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42646 (or 21320 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 36807573609 in words is "thirty-six billion, eight hundred seven million, five hundred seventy-three thousand, six hundred nine".