12903408959 has 4 divisors (see below), whose sum is σ = 14746753104. Its totient is φ = 11060064816.

The previous prime is 12903408919. The next prime is 12903408977. The reversal of 12903408959 is 95980430921.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12903408959 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 (12903408919) 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, 921672062 + ... + 921672075.

It is an arithmetic number, because the mean of its divisors is an integer number (3686688276).

Almost surely, 2^12903408959 is an apocalyptic number.

12903408959 is a deficient number, since it is larger than the sum of its proper divisors (1843344145).

12903408959 is an equidigital number, since it uses as much as digits as its factorization.

12903408959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843344144.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 12903408959 in words is "twelve billion, nine hundred three million, four hundred eight thousand, nine hundred fifty-nine".