9497360657 has 4 divisors (see below), whose sum is σ = 9653055156. Its totient is φ = 9341666160.

The previous prime is 9497360647. The next prime is 9497360659. The reversal of 9497360657 is 7560637949.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99221521 + 9398139136 = 9961^2 + 96944^2 .

It is a cyclic number.

It is not a de Polignac number, because 9497360657 - 2¹⁰ = 9497359633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9497360659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77847158 + ... + 77847279.

It is an arithmetic number, because the mean of its divisors is an integer number (2413263789).

Almost surely, 2^9497360657 is an apocalyptic number.

It is an amenable number.

9497360657 is a deficient number, since it is larger than the sum of its proper divisors (155694499).

9497360657 is a wasteful number, since it uses less digits than its factorization.

9497360657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155694498.

The product of its (nonzero) digits is 8573040, while the sum is 56.

The square root of 9497360657 is about 97454.4029636424. The cubic root of 9497360657 is about 2117.7156372708.

The spelling of 9497360657 in words is "nine billion, four hundred ninety-seven million, three hundred sixty thousand, six hundred fifty-seven".