13402249919 has 4 divisors (see below), whose sum is σ = 13404949896. Its totient is φ = 13399549944.

The previous prime is 13402249841. The next prime is 13402249943. The reversal of 13402249919 is 91994220431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13402249919 - 2²⁰ = 13401201343 is a prime.

It is a super-2 number, since 2×13402249919² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13402249919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402249519) 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, 1342529 + ... + 1352474.

It is an arithmetic number, because the mean of its divisors is an integer number (3351237474).

Almost surely, 2^13402249919 is an apocalyptic number.

13402249919 is a deficient number, since it is larger than the sum of its proper divisors (2699977).

13402249919 is an equidigital number, since it uses as much as digits as its factorization.

13402249919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699976.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 13402249919 in words is "thirteen billion, four hundred two million, two hundred forty-nine thousand, nine hundred nineteen".