9186930690025 has 27 divisors (see below), whose sum is σ = 12521785973893. Its totient is φ = 6681282898400.

The previous prime is 9186930690019. The next prime is 9186930690029. The reversal of 9186930690025 is 5200960396819.

The square root of 9186930690025 is 3030995.

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

It can be written as a sum of positive squares in 4 ways, for example, as 520595439529 + 8666335250496 = 721523^2 + 2943864^2 .

It is not a de Polignac number, because 9186930690025 - 2³ = 9186930690017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9186930690029) 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, 166677171 + ... + 166732279.

Almost surely, 2^{9186930690025} is an apocalyptic number.

9186930690025 is the 3030995-th square number.

9186930690025 is the 1515498-th centered octagonal number.

It is an amenable number.

9186930690025 is a deficient number, since it is larger than the sum of its proper divisors (3334855283868).

9186930690025 is an frugal number, since it uses more digits than its factorization.

9186930690025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110250 (or 55125 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 58.

The spelling of 9186930690025 in words is "nine trillion, one hundred eighty-six billion, nine hundred thirty million, six hundred ninety thousand, twenty-five".