9645910497 has 6 divisors (see below), whose sum is σ = 13932981842. Its totient is φ = 6430606992.

The previous prime is 9645910489. The next prime is 9645910583. The reversal of 9645910497 is 7940195469.

It is a happy number.

9645910497 is a `hidden beast` number, since 9 + 6 + 4 + 591 + 0 + 49 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8994435921 + 651474576 = 94839^2 + 25524^2 .

It is not a de Polignac number, because 9645910497 - 2³ = 9645910489 is a prime.

It is a super-2 number, since 2×9645910497² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9645910427) 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 5 ways as a sum of consecutive naturals, for example, 535883908 + ... + 535883925.

Almost surely, 2^9645910497 is an apocalyptic number.

It is an amenable number.

9645910497 is a deficient number, since it is larger than the sum of its proper divisors (4287071345).

9645910497 is a wasteful number, since it uses less digits than its factorization.

9645910497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071767839 (or 1071767836 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 9645910497 is about 98213.5962939959. The cubic root of 9645910497 is about 2128.6997506341.

The spelling of 9645910497 in words is "nine billion, six hundred forty-five million, nine hundred ten thousand, four hundred ninety-seven".