36693318025 has 81 divisors (see below), whose sum is σ = 57449285343. Its totient is φ = 23170492800.

The previous prime is 36693318023. The next prime is 36693318047. The reversal of 36693318025 is 52081339663.

The square root of 36693318025 is 191555.

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

It can be written as a sum of positive squares in 13 ways, for example, as 29357052921 + 7336265104 = 171339^2 + 85652^2 .

It is not a de Polignac number, because 36693318025 - 2¹ = 36693318023 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36693318023) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 87157315 + ... + 87157735.

Almost surely, 2^36693318025 is an apocalyptic number.

36693318025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

36693318025 is the 191555-th square number.

36693318025 is the 95778-th centered octagonal number.

It is an amenable number.

36693318025 is a deficient number, since it is larger than the sum of its proper divisors (20755967318).

36693318025 is an equidigital number, since it uses as much as digits as its factorization.

36693318025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 36693318025 in words is "thirty-six billion, six hundred ninety-three million, three hundred eighteen thousand, twenty-five".