9889488974 has 4 divisors (see below), whose sum is σ = 14834233464. Its totient is φ = 4944744486.

The previous prime is 9889488949. The next prime is 9889488977. The reversal of 9889488974 is 4798849889.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9889488977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2472372242 + ... + 2472372245.

It is an arithmetic number, because the mean of its divisors is an integer number (3708558366).

Almost surely, 2^9889488974 is an apocalyptic number.

9889488974 is a deficient number, since it is larger than the sum of its proper divisors (4944744490).

9889488974 is a wasteful number, since it uses less digits than its factorization.

9889488974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4944744489.

The product of its digits is 334430208, while the sum is 74.

The square root of 9889488974 is about 99445.9097901970. The cubic root of 9889488974 is about 2146.4689813468.

The spelling of 9889488974 in words is "nine billion, eight hundred eighty-nine million, four hundred eighty-eight thousand, nine hundred seventy-four".