13490357903 has 16 divisors (see below), whose sum is σ = 15495321600. Its totient is φ = 11615489280.

The previous prime is 13490357893. The next prime is 13490357917. The reversal of 13490357903 is 30975309431.

It is a happy number.

It is a Cunningham number, because it is equal to 116148²-1.

It is a cyclic number.

It is not a de Polignac number, because 13490357903 - 2⁴ = 13490357887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13490377903) 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, 1272338 + ... + 1282896.

It is an arithmetic number, because the mean of its divisors is an integer number (968457600).

Almost surely, 2^13490357903 is an apocalyptic number.

13490357903 is a deficient number, since it is larger than the sum of its proper divisors (2004963697).

13490357903 is a wasteful number, since it uses less digits than its factorization.

13490357903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16702.

The product of its (nonzero) digits is 306180, while the sum is 44.

The spelling of 13490357903 in words is "thirteen billion, four hundred ninety million, three hundred fifty-seven thousand, nine hundred three".