9668632947 has 8 divisors (see below), whose sum is σ = 13191313344. Its totient is φ = 6295853928.

The previous prime is 9668632943. The next prime is 9668632951. The reversal of 9668632947 is 7492368669.

It is an interprime number because it is at equal distance from previous prime (9668632943) and next prime (9668632951).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9668632947 - 2² = 9668632943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9668632943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37475193 + ... + 37475450.

It is an arithmetic number, because the mean of its divisors is an integer number (1648914168).

Almost surely, 2^9668632947 is an apocalyptic number.

9668632947 is a deficient number, since it is larger than the sum of its proper divisors (3522680397).

9668632947 is a wasteful number, since it uses less digits than its factorization.

9668632947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74950689.

The product of its digits is 23514624, while the sum is 60.

The square root of 9668632947 is about 98329.2069885647. The cubic root of 9668632947 is about 2130.3699348649.

The spelling of 9668632947 in words is "nine billion, six hundred sixty-eight million, six hundred thirty-two thousand, nine hundred forty-seven".