13890345775 has 12 divisors (see below), whose sum is σ = 17252802000. Its totient is φ = 11093713280.

The previous prime is 13890345743. The next prime is 13890345793. The reversal of 13890345775 is 57754309831.

It is not a de Polignac number, because 13890345775 - 2⁵ = 13890345743 is a prime.

It is a congruent 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, 448810 + ... + 478759.

It is an arithmetic number, because the mean of its divisors is an integer number (1437733500).

Almost surely, 2^13890345775 is an apocalyptic number.

13890345775 is a deficient number, since it is larger than the sum of its proper divisors (3362456225).

13890345775 is an equidigital number, since it uses as much as digits as its factorization.

13890345775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928178 (or 928173 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 13890345775 in words is "thirteen billion, eight hundred ninety million, three hundred forty-five thousand, seven hundred seventy-five".