9494688991 has 8 divisors (see below), whose sum is σ = 9533147600. Its totient is φ = 9456289920.

The previous prime is 9494688967. The next prime is 9494689007. The reversal of 9494688991 is 1998864949.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9494688991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9494688901) 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, 319765 + ... + 348193.

It is an arithmetic number, because the mean of its divisors is an integer number (1191643450).

Almost surely, 2^9494688991 is an apocalyptic number.

9494688991 is a deficient number, since it is larger than the sum of its proper divisors (38458609).

9494688991 is a wasteful number, since it uses less digits than its factorization.

9494688991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29769.

The product of its digits is 40310784, while the sum is 67.

The square root of 9494688991 is about 97440.6947378763. The cubic root of 9494688991 is about 2117.5170431673.

The spelling of 9494688991 in words is "nine billion, four hundred ninety-four million, six hundred eighty-eight thousand, nine hundred ninety-one".