13890293357 has 16 divisors (see below), whose sum is σ = 14534657280. Its totient is φ = 13257384000.

The previous prime is 13890293297. The next prime is 13890293393. The reversal of 13890293357 is 75339209831.

It is a cyclic number.

It is not a de Polignac number, because 13890293357 - 2⁶ = 13890293293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13890290357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2020508 + ... + 2027370.

It is an arithmetic number, because the mean of its divisors is an integer number (908416080).

Almost surely, 2^13890293357 is an apocalyptic number.

It is an amenable number.

13890293357 is a deficient number, since it is larger than the sum of its proper divisors (644363923).

13890293357 is a wasteful number, since it uses less digits than its factorization.

13890293357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7684.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 13890293357 in words is "thirteen billion, eight hundred ninety million, two hundred ninety-three thousand, three hundred fifty-seven".