9411979731025 has 27 divisors (see below), whose sum is σ = 11720423225329. Its totient is φ = 7497739034720.

The previous prime is 9411979730999. The next prime is 9411979731047. The reversal of 9411979731025 is 5201379791149.

The square root of 9411979731025 is 3067895.

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 834297733201 + 8577681997824 = 913399^2 + 2928768^2 .

It is not a de Polignac number, because 9411979731025 - 2⁹ = 9411979730513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4034280759 + ... + 4034283091.

Almost surely, 2^{9411979731025} is an apocalyptic number.

9411979731025 is the 3067895-th square number.

9411979731025 is the 1533948-th centered octagonal number.

It is an amenable number.

9411979731025 is a deficient number, since it is larger than the sum of its proper divisors (2308443494304).

9411979731025 is an frugal number, since it uses more digits than its factorization.

9411979731025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5202 (or 2601 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 58.

The spelling of 9411979731025 in words is "nine trillion, four hundred eleven billion, nine hundred seventy-nine million, seven hundred thirty-one thousand, twenty-five".