13409859808 has 48 divisors (see below), whose sum is σ = 26742952656. Its totient is φ = 6618147840.

The previous prime is 13409859803. The next prime is 13409859821. The reversal of 13409859808 is 80895890431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13409859803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4941460 + ... + 4944172.

It is an arithmetic number, because the mean of its divisors is an integer number (557144847).

Almost surely, 2^13409859808 is an apocalyptic number.

It is an amenable number.

13409859808 is a deficient number, since it is larger than the sum of its proper divisors (13333092848).

13409859808 is a wasteful number, since it uses less digits than its factorization.

13409859808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667 (or 4659 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 13409859808 in words is "thirteen billion, four hundred nine million, eight hundred fifty-nine thousand, eight hundred eight".