36362294721 has 27 divisors (see below), whose sum is σ = 55809589251. Its totient is φ = 22809455424.

The previous prime is 36362294707. The next prime is 36362294729. The reversal of 36362294721 is 12749226363.

The square root of 36362294721 is 190689.

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

36362294721 is a `hidden beast` number, since 3 + 636 + 2 + 2 + 9 + 4 + 7 + 2 + 1 = 666.

36362294721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 28309745025 + 8052549696 = 168255^2 + 89736^2 .

It is not a de Polignac number, because 36362294721 - 2⁷ = 36362294593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36362294729) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9723270 + ... + 9727008.

Almost surely, 2^36362294721 is an apocalyptic number.

36362294721 is the 190689-th square number.

36362294721 is the 95345-th centered octagonal number.

It is an amenable number.

36362294721 is a deficient number, since it is larger than the sum of its proper divisors (19447294530).

36362294721 is an frugal number, since it uses more digits than its factorization.

36362294721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7518 (or 3759 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The spelling of 36362294721 in words is "thirty-six billion, three hundred sixty-two million, two hundred ninety-four thousand, seven hundred twenty-one".