36643913476 has 9 divisors (see below), whose sum is σ = 64127518581. Its totient is φ = 18321765312.

The previous prime is 36643913459. The next prime is 36643913483. The reversal of 36643913476 is 67431934663.

The square root of 36643913476 is 191426.

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

It can be written as a sum of positive squares in only one way, i.e., 19698122500 + 16945790976 = 140350^2 + 130176^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 334996 + ... + 430708.

Almost surely, 2^36643913476 is an apocalyptic number.

36643913476 is the 191426-th square number.

It is an amenable number.

36643913476 is a deficient number, since it is larger than the sum of its proper divisors (27483605105).

36643913476 is an frugal number, since it uses more digits than its factorization.

36643913476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191430 (or 95715 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 52.

The spelling of 36643913476 in words is "thirty-six billion, six hundred forty-three million, nine hundred thirteen thousand, four hundred seventy-six".