13913649005 has 4 divisors (see below), whose sum is σ = 16696378812. Its totient is φ = 11130919200.

The previous prime is 13913648953. The next prime is 13913649011. The reversal of 13913649005 is 50094631931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50094631931 = 41 ⋅1221820291.

It can be written as a sum of positive squares in 2 ways, for example, as 6262823044 + 7650825961 = 79138^2 + 87469^2 .

It is not a de Polignac number, because 13913649005 - 2⁶ = 13913648941 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 3 ways as a sum of consecutive naturals, for example, 1391364896 + ... + 1391364905.

It is an arithmetic number, because the mean of its divisors is an integer number (4174094703).

Almost surely, 2^13913649005 is an apocalyptic number.

It is an amenable number.

13913649005 is a deficient number, since it is larger than the sum of its proper divisors (2782729807).

13913649005 is an equidigital number, since it uses as much as digits as its factorization.

13913649005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782729806.

The product of its (nonzero) digits is 87480, while the sum is 41.

The spelling of 13913649005 in words is "thirteen billion, nine hundred thirteen million, six hundred forty-nine thousand, five".