9381625947 has 24 divisors (see below), whose sum is σ = 14028774240. Its totient is φ = 6034331520.

The previous prime is 9381625943. The next prime is 9381625987. The reversal of 9381625947 is 7495261839.

9381625947 is a `hidden beast` number, since 9 + 3 + 8 + 1 + 625 + 9 + 4 + 7 = 666.

It is not a de Polignac number, because 9381625947 - 2² = 9381625943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9381625893 and 9381625902.

It is not an unprimeable number, because it can be changed into a prime (9381625943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 365247 + ... + 390087.

It is an arithmetic number, because the mean of its divisors is an integer number (584532260).

Almost surely, 2^9381625947 is an apocalyptic number.

9381625947 is a deficient number, since it is larger than the sum of its proper divisors (4647148293).

9381625947 is a wasteful number, since it uses less digits than its factorization.

9381625947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26323 (or 26320 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 9381625947 is about 96858.7938547657. The cubic root of 9381625947 is about 2109.0783053926.

The spelling of 9381625947 in words is "nine billion, three hundred eighty-one million, six hundred twenty-five thousand, nine hundred forty-seven".