18475018475 has 24 divisors (see below), whose sum is σ = 23169491760. Its totient is φ = 14612400000.

The previous prime is 18475018469. The next prime is 18475018517. The reversal of 18475018475 is 57481057481.

It is a happy number.

It is not a de Polignac number, because 18475018475 - 2²⁸ = 18206583019 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1861025 + ... + 1870925.

It is an arithmetic number, because the mean of its divisors is an integer number (965395490).

Almost surely, 2^18475018475 is an apocalyptic number.

18475018475 is a deficient number, since it is larger than the sum of its proper divisors (4694473285).

18475018475 is a wasteful number, since it uses less digits than its factorization.

18475018475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10751 (or 10746 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 50.

The spelling of 18475018475 in words is "eighteen billion, four hundred seventy-five million, eighteen thousand, four hundred seventy-five".