13144013699 has 4 divisors (see below), whose sum is σ = 13144265664. Its totient is φ = 13143761736.

The previous prime is 13144013677. The next prime is 13144013719. The reversal of 13144013699 is 99631044131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99631044131 = 521 ⋅191230411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13144013699 is a prime.

It is a super-2 number, since 2×13144013699² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13144013669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15347 + ... + 162860.

It is an arithmetic number, because the mean of its divisors is an integer number (3286066416).

Almost surely, 2^13144013699 is an apocalyptic number.

13144013699 is a deficient number, since it is larger than the sum of its proper divisors (251965).

13144013699 is an equidigital number, since it uses as much as digits as its factorization.

13144013699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251964.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 13144013699 in words is "thirteen billion, one hundred forty-four million, thirteen thousand, six hundred ninety-nine".