9249702561 has 12 divisors (see below), whose sum is σ = 14575289040. Its totient is φ = 5605880280.

The previous prime is 9249702559. The next prime is 9249702587. The reversal of 9249702561 is 1652079429.

It is not a de Polignac number, because 9249702561 - 2¹ = 9249702559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9249702361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46715571 + ... + 46715768.

It is an arithmetic number, because the mean of its divisors is an integer number (1214607420).

Almost surely, 2^9249702561 is an apocalyptic number.

It is an amenable number.

9249702561 is a deficient number, since it is larger than the sum of its proper divisors (5325586479).

9249702561 is a wasteful number, since it uses less digits than its factorization.

9249702561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93431356 (or 93431353 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 9249702561 is about 96175.3739841962. The cubic root of 9249702561 is about 2099.1457266811.

The spelling of 9249702561 in words is "nine billion, two hundred forty-nine million, seven hundred two thousand, five hundred sixty-one".