9715419664 has 20 divisors (see below), whose sum is σ = 18961028604. Its totient is φ = 4822251008.

The previous prime is 9715419631. The next prime is 9715419683. The reversal of 9715419664 is 4669145179.

It can be written as a sum of positive squares in 2 ways, for example, as 5331920400 + 4383499264 = 73020^2 + 66208^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2213917 + ... + 2218300.

Almost surely, 2^9715419664 is an apocalyptic number.

It is an amenable number.

9715419664 is a deficient number, since it is larger than the sum of its proper divisors (9245608940).

9715419664 is a wasteful number, since it uses less digits than its factorization.

9715419664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4432362 (or 4432356 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The square root of 9715419664 is about 98566.8284160549. The cubic root of 9715419664 is about 2133.8007084931.

The spelling of 9715419664 in words is "nine billion, seven hundred fifteen million, four hundred nineteen thousand, six hundred sixty-four".