13818904475 has 12 divisors (see below), whose sum is σ = 17341895256. Its totient is φ = 10921927680.

The previous prime is 13818904423. The next prime is 13818904507. The reversal of 13818904475 is 57440981831.

It is a happy number.

It is not a de Polignac number, because 13818904475 - 2⁸ = 13818904219 is a prime.

It is a Duffinian number.

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, 3327782 + ... + 3331931.

It is an arithmetic number, because the mean of its divisors is an integer number (1445157938).

Almost surely, 2^13818904475 is an apocalyptic number.

13818904475 is a deficient number, since it is larger than the sum of its proper divisors (3522990781).

13818904475 is an equidigital number, since it uses as much as digits as its factorization.

13818904475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6659806 (or 6659801 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 13818904475 in words is "thirteen billion, eight hundred eighteen million, nine hundred four thousand, four hundred seventy-five".