14519381269 has 4 divisors (see below), whose sum is σ = 14530699296. Its totient is φ = 14508063244.

The previous prime is 14519381249. The next prime is 14519381339. The reversal of 14519381269 is 96218391541.

It is a happy number.

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 14519381269 - 2⁵ = 14519381237 is a prime.

It is a super-2 number, since 2×14519381269² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14519381249) 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, 5657089 + ... + 5659654.

It is an arithmetic number, because the mean of its divisors is an integer number (3632674824).

Almost surely, 2^14519381269 is an apocalyptic number.

It is an amenable number.

14519381269 is a deficient number, since it is larger than the sum of its proper divisors (11318027).

14519381269 is a wasteful number, since it uses less digits than its factorization.

14519381269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11318026.

The product of its digits is 466560, while the sum is 49.

The spelling of 14519381269 in words is "fourteen billion, five hundred nineteen million, three hundred eighty-one thousand, two hundred sixty-nine".