13968157903 has 24 divisors (see below), whose sum is σ = 16614666432. Its totient is φ = 11703654144.

The previous prime is 13968157877. The next prime is 13968157927. The reversal of 13968157903 is 30975186931.

It is a happy number.

It is not a de Polignac number, because 13968157903 - 2⁵ = 13968157871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13968157943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2154675 + ... + 2161147.

It is an arithmetic number, because the mean of its divisors is an integer number (692277768).

Almost surely, 2^13968157903 is an apocalyptic number.

13968157903 is a deficient number, since it is larger than the sum of its proper divisors (2646508529).

13968157903 is an equidigital number, since it uses as much as digits as its factorization.

13968157903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7471 (or 7464 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 13968157903 in words is "thirteen billion, nine hundred sixty-eight million, one hundred fifty-seven thousand, nine hundred three".