9249375647 has 2 divisors, whose sum is σ = 9249375648. Its totient is φ = 9249375646.

The previous prime is 9249375599. The next prime is 9249375679. The reversal of 9249375647 is 7465739429.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9249375647 - 2²² = 9245181343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9249375592 and 9249375601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9249375547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4624687823 + 4624687824.

It is an arithmetic number, because the mean of its divisors is an integer number (4624687824).

Almost surely, 2^9249375647 is an apocalyptic number.

9249375647 is a deficient number, since it is larger than the sum of its proper divisors (1).

9249375647 is an equidigital number, since it uses as much as digits as its factorization.

9249375647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 56.

The square root of 9249375647 is about 96173.6743968951. The cubic root of 9249375647 is about 2099.1209962206.

The spelling of 9249375647 in words is "nine billion, two hundred forty-nine million, three hundred seventy-five thousand, six hundred forty-seven".