13401474149 has 4 divisors (see below), whose sum is σ = 15315970464. Its totient is φ = 11486977836.

The previous prime is 13401474139. The next prime is 13401474173. The reversal of 13401474149 is 94147410431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13401474149 - 2⁴ = 13401474133 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 (13401474139) 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, 957248147 + ... + 957248160.

It is an arithmetic number, because the mean of its divisors is an integer number (3828992616).

Almost surely, 2^13401474149 is an apocalyptic number.

It is an amenable number.

13401474149 is a deficient number, since it is larger than the sum of its proper divisors (1914496315).

13401474149 is an equidigital number, since it uses as much as digits as its factorization.

13401474149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914496314.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 13401474149 in words is "thirteen billion, four hundred one million, four hundred seventy-four thousand, one hundred forty-nine".