18002375492 has 12 divisors (see below), whose sum is σ = 31581187260. Its totient is φ = 8979179136.

The previous prime is 18002375491. The next prime is 18002375497. The reversal of 18002375492 is 29457320081.

It can be written as a sum of positive squares in 2 ways, for example, as 13552685056 + 4449690436 = 116416^2 + 66706^2 .

It is not an unprimeable number, because it can be changed into a prime (18002375491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500313 + ... + 5503584.

It is an arithmetic number, because the mean of its divisors is an integer number (2631765605).

Almost surely, 2^18002375492 is an apocalyptic number.

It is an amenable number.

18002375492 is a deficient number, since it is larger than the sum of its proper divisors (13578811768).

18002375492 is a wasteful number, since it uses less digits than its factorization.

18002375492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11004310 (or 11004308 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 18002375492 in words is "eighteen billion, two million, three hundred seventy-five thousand, four hundred ninety-two".