9542873994 has 24 divisors (see below), whose sum is σ = 20143134720. Its totient is φ = 3013538472.

The previous prime is 9542873983. The next prime is 9542874007. The reversal of 9542873994 is 4993782459.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2200714 + ... + 2205045.

It is an arithmetic number, because the mean of its divisors is an integer number (839297280).

Almost surely, 2^9542873994 is an apocalyptic number.

9542873994 is an abundant number, since it is smaller than the sum of its proper divisors (10600260726).

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

9542873994 is a wasteful number, since it uses less digits than its factorization.

9542873994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405802 (or 4405783 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 60.

The square root of 9542873994 is about 97687.6348060490. The cubic root of 9542873994 is about 2121.0930931404.

The spelling of 9542873994 in words is "nine billion, five hundred forty-two million, eight hundred seventy-three thousand, nine hundred ninety-four".