13890291775 has 6 divisors (see below), whose sum is σ = 17223961832. Its totient is φ = 11112233400.

The previous prime is 13890291743. The next prime is 13890291797. The reversal of 13890291775 is 57719209831.

It is not a de Polignac number, because 13890291775 - 2⁵ = 13890291743 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 277805811 + ... + 277805860.

Almost surely, 2^13890291775 is an apocalyptic number.

13890291775 is a deficient number, since it is larger than the sum of its proper divisors (3333670057).

13890291775 is an equidigital number, since it uses as much as digits as its factorization.

13890291775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555611681 (or 555611676 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 52.

The spelling of 13890291775 in words is "thirteen billion, eight hundred ninety million, two hundred ninety-one thousand, seven hundred seventy-five".