9425665249 has 32 divisors (see below), whose sum is σ = 13399900416. Its totient is φ = 6380881920.

The previous prime is 9425665247. The next prime is 9425665309.

9425665249 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9425665249 - 2¹ = 9425665247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9425665196 and 9425665205.

It is not an unprimeable number, because it can be changed into a prime (9425665247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259932 + ... + 293965.

It is an arithmetic number, because the mean of its divisors is an integer number (418746888).

Almost surely, 2^9425665249 is an apocalyptic number.

It is an amenable number.

9425665249 is a deficient number, since it is larger than the sum of its proper divisors (3974235167).

9425665249 is a wasteful number, since it uses less digits than its factorization.

9425665249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553945.

The product of its digits is 4665600, while the sum is 52.

The square root of 9425665249 is about 97085.8653409445. The cubic root of 9425665249 is about 2112.3733055865.

The spelling of 9425665249 in words is "nine billion, four hundred twenty-five million, six hundred sixty-five thousand, two hundred forty-nine".