18099431282 has 16 divisors (see below), whose sum is σ = 28142208000. Its totient is φ = 8721138720.

The previous prime is 18099431221. The next prime is 18099431291. The reversal of 18099431282 is 28213499081.

18099431282 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595907 + ... + 625542.

It is an arithmetic number, because the mean of its divisors is an integer number (1758888000).

Almost surely, 2^18099431282 is an apocalyptic number.

18099431282 is a deficient number, since it is larger than the sum of its proper divisors (10042776718).

18099431282 is a wasteful number, since it uses less digits than its factorization.

18099431282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221721.

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 18099431282 in words is "eighteen billion, ninety-nine million, four hundred thirty-one thousand, two hundred eighty-two".