13406813349 has 8 divisors (see below), whose sum is σ = 17946970272. Its totient is φ = 8902266000.

The previous prime is 13406813291. The next prime is 13406813389. The reversal of 13406813349 is 94331860431.

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

It is not a de Polignac number, because 13406813349 - 2¹² = 13406809253 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13406813349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13406813389) 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, 8901514 + ... + 8903019.

It is an arithmetic number, because the mean of its divisors is an integer number (2243371284).

Almost surely, 2^13406813349 is an apocalyptic number.

It is an amenable number.

13406813349 is a deficient number, since it is larger than the sum of its proper divisors (4540156923).

13406813349 is a wasteful number, since it uses less digits than its factorization.

13406813349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17804787.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 13406813349 in words is "thirteen billion, four hundred six million, eight hundred thirteen thousand, three hundred forty-nine".