13309894805 has 8 divisors (see below), whose sum is σ = 15972526752. Its totient is φ = 10647480528.

The previous prime is 13309894769. The next prime is 13309894841. The reversal of 13309894805 is 50849890331.

It is an interprime number because it is at equal distance from previous prime (13309894769) and next prime (13309894841).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13309894805 - 2²² = 13305700501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149762 + ... + 221468.

It is an arithmetic number, because the mean of its divisors is an integer number (1996565844).

Almost surely, 2^13309894805 is an apocalyptic number.

It is an amenable number.

13309894805 is a deficient number, since it is larger than the sum of its proper divisors (2662631947).

13309894805 is an equidigital number, since it uses as much as digits as its factorization.

13309894805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108835.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 13309894805 in words is "thirteen billion, three hundred nine million, eight hundred ninety-four thousand, eight hundred five".