9992917494 has 48 divisors (see below), whose sum is σ = 26046708480. Its totient is φ = 2704849200.

The previous prime is 9992917471. The next prime is 9992917499. The reversal of 9992917494 is 4947192999.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9992917499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2084682 + ... + 2089469.

It is an arithmetic number, because the mean of its divisors is an integer number (542639760).

Almost surely, 2^9992917494 is an apocalyptic number.

9992917494 is an abundant number, since it is smaller than the sum of its proper divisors (16053790986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9992917494 is a wasteful number, since it uses less digits than its factorization.

9992917494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174185 (or 4174182 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 63.

The square root of 9992917494 is about 99964.5811975422. The cubic root of 9992917494 is about 2153.9259433523.

The spelling of 9992917494 in words is "nine billion, nine hundred ninety-two million, nine hundred seventeen thousand, four hundred ninety-four".