9139319425 has 24 divisors (see below), whose sum is σ = 12006001656. Its totient is φ = 6877578240.

The previous prime is 9139319419. The next prime is 9139319443. The reversal of 9139319425 is 5249139319.

9139319425 is digitally balanced in base 3, 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 12 ways, for example, as 161188416 + 8978131009 = 12696^2 + 94753^2 .

It is not a de Polignac number, because 9139319425 - 2¹¹ = 9139317377 is a prime.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 945919 + ... + 955531.

It is an arithmetic number, because the mean of its divisors is an integer number (500250069).

Almost surely, 2^9139319425 is an apocalyptic number.

It is an amenable number.

9139319425 is a deficient number, since it is larger than the sum of its proper divisors (2866682231).

9139319425 is a wasteful number, since it uses less digits than its factorization.

9139319425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11877 (or 11872 counting only the distinct ones).

The product of its digits is 262440, while the sum is 46.

The square root of 9139319425 is about 95599.7877874214. The cubic root of 9139319425 is about 2090.7620996899.

The spelling of 9139319425 in words is "nine billion, one hundred thirty-nine million, three hundred nineteen thousand, four hundred twenty-five".