9143254920 has 64 divisors (see below), whose sum is σ = 27712581120. Its totient is φ = 2413062144.

The previous prime is 9143254877. The next prime is 9143254921. The reversal of 9143254920 is 294523419.

It is a super-2 number, since 2×9143254920² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9143254921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381112 + ... + 404391.

It is an arithmetic number, because the mean of its divisors is an integer number (433009080).

Almost surely, 2^9143254920 is an apocalyptic number.

It is an amenable number.

9143254920 is an abundant number, since it is smaller than the sum of its proper divisors (18569326200).

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

9143254920 is a wasteful number, since it uses less digits than its factorization.

9143254920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785614 (or 785610 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 9143254920 is about 95620.3687505962. The cubic root of 9143254920 is about 2091.0621586126.

The spelling of 9143254920 in words is "nine billion, one hundred forty-three million, two hundred fifty-four thousand, nine hundred twenty".