9114989520 has 320 divisors, whose sum is σ = 35901702144. Its totient is φ = 1860986880.

The previous prime is 9114989483. The next prime is 9114989531. The reversal of 9114989520 is 259894119.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 9114989520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 670309 + ... + 683771.

Almost surely, 2^9114989520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9114989520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17950851072).

9114989520 is an abundant number, since it is smaller than the sum of its proper divisors (26786712624).

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

9114989520 is a wasteful number, since it uses less digits than its factorization.

9114989520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13530 (or 13524 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 48.

The square root of 9114989520 is about 95472.4542472854. The cubic root of 9114989520 is about 2088.9051689709.

The spelling of 9114989520 in words is "nine billion, one hundred fourteen million, nine hundred eighty-nine thousand, five hundred twenty".