13890293198 has 4 divisors (see below), whose sum is σ = 20835439800. Its totient is φ = 6945146598.

The previous prime is 13890293161. The next prime is 13890293231. The reversal of 13890293198 is 89139209831.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3472573298 + ... + 3472573301.

It is an arithmetic number, because the mean of its divisors is an integer number (5208859950).

Almost surely, 2^13890293198 is an apocalyptic number.

13890293198 is a deficient number, since it is larger than the sum of its proper divisors (6945146602).

13890293198 is an equidigital number, since it uses as much as digits as its factorization.

13890293198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6945146601.

The product of its (nonzero) digits is 839808, while the sum is 53.

The spelling of 13890293198 in words is "thirteen billion, eight hundred ninety million, two hundred ninety-three thousand, one hundred ninety-eight".