13992505903 has 4 divisors (see below), whose sum is σ = 14229667080. Its totient is φ = 13755344728.

The previous prime is 13992505897. The next prime is 13992505909. The reversal of 13992505903 is 30950529931.

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

It is an interprime number because it is at equal distance from previous prime (13992505897) and next prime (13992505909).

It is a cyclic number.

It is not a de Polignac number, because 13992505903 - 2⁹ = 13992505391 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 (13992505909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118580500 + ... + 118580617.

It is an arithmetic number, because the mean of its divisors is an integer number (3557416770).

Almost surely, 2^13992505903 is an apocalyptic number.

13992505903 is a deficient number, since it is larger than the sum of its proper divisors (237161177).

13992505903 is an equidigital number, since it uses as much as digits as its factorization.

13992505903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237161176.

The product of its (nonzero) digits is 328050, while the sum is 46.

The spelling of 13992505903 in words is "thirteen billion, nine hundred ninety-two million, five hundred five thousand, nine hundred three".