9746921608 has 16 divisors (see below), whose sum is σ = 18288077580. Its totient is φ = 4870100928.

The previous prime is 9746921603. The next prime is 9746921629. The reversal of 9746921608 is 8061296479.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9690039844 + 56881764 = 98438^2 + 7542^2 .

It is not an unprimeable number, because it can be changed into a prime (9746921603) 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, 407635 + ... + 430882.

Almost surely, 2^9746921608 is an apocalyptic number.

It is an amenable number.

9746921608 is a deficient number, since it is larger than the sum of its proper divisors (8541155972).

9746921608 is a wasteful number, since it uses less digits than its factorization.

9746921608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839976 (or 839972 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 9746921608 is about 98726.4990162216. The cubic root of 9746921608 is about 2136.1044809718.

The spelling of 9746921608 in words is "nine billion, seven hundred forty-six million, nine hundred twenty-one thousand, six hundred eight".