18904846475 has 6 divisors (see below), whose sum is σ = 23442009660. Its totient is φ = 15123877160.

The previous prime is 18904846469. The next prime is 18904846483. The reversal of 18904846475 is 57464840981.

It is a happy number.

It is not a de Polignac number, because 18904846475 - 2¹⁰ = 18904845451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18904846475.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 378096905 + ... + 378096954.

It is an arithmetic number, because the mean of its divisors is an integer number (3907001610).

Almost surely, 2^18904846475 is an apocalyptic number.

18904846475 is a deficient number, since it is larger than the sum of its proper divisors (4537163185).

18904846475 is an equidigital number, since it uses as much as digits as its factorization.

18904846475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756193869 (or 756193864 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 18904846475 in words is "eighteen billion, nine hundred four million, eight hundred forty-six thousand, four hundred seventy-five".