9425665247 has 2 divisors, whose sum is σ = 9425665248. Its totient is φ = 9425665246.

The previous prime is 9425665229. The next prime is 9425665309. The reversal of 9425665247 is 7425665249.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9425665247 - 2⁸ = 9425664991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9425665195 and 9425665204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9425625247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4712832623 + 4712832624.

It is an arithmetic number, because the mean of its divisors is an integer number (4712832624).

Almost surely, 2^9425665247 is an apocalyptic number.

9425665247 is a deficient number, since it is larger than the sum of its proper divisors (1).

9425665247 is an equidigital number, since it uses as much as digits as its factorization.

9425665247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 50.

The square root of 9425665247 is about 97085.8653306443. The cubic root of 9425665247 is about 2112.3733054371.

The spelling of 9425665247 in words is "nine billion, four hundred twenty-five million, six hundred sixty-five thousand, two hundred forty-seven".