9640315797 has 32 divisors (see below), whose sum is σ = 15084226560. Its totient is φ = 5362735680.

The previous prime is 9640315793. The next prime is 9640315819. The reversal of 9640315797 is 7975130469.

It is not a de Polignac number, because 9640315797 - 2² = 9640315793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9640315793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89847 + ... + 165387.

It is an arithmetic number, because the mean of its divisors is an integer number (471382080).

Almost surely, 2^9640315797 is an apocalyptic number.

It is an amenable number.

9640315797 is a deficient number, since it is larger than the sum of its proper divisors (5443910763).

9640315797 is a wasteful number, since it uses less digits than its factorization.

9640315797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75713.

The product of its (nonzero) digits is 1428840, while the sum is 51.

The square root of 9640315797 is about 98185.1098537859. The cubic root of 9640315797 is about 2128.2881171319.

The spelling of 9640315797 in words is "nine billion, six hundred forty million, three hundred fifteen thousand, seven hundred ninety-seven".