14445192919 has 2 divisors, whose sum is σ = 14445192920. Its totient is φ = 14445192918.

The previous prime is 14445192913. The next prime is 14445192953. The reversal of 14445192919 is 91929154441.

It is a weak prime.

It is an emirp because it is prime and its reverse (91929154441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14445192919 - 2³ = 14445192911 is a prime.

It is a super-2 number, since 2×14445192919² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14445192911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7222596459 + 7222596460.

It is an arithmetic number, because the mean of its divisors is an integer number (7222596460).

Almost surely, 2^14445192919 is an apocalyptic number.

14445192919 is a deficient number, since it is larger than the sum of its proper divisors (1).

14445192919 is an equidigital number, since it uses as much as digits as its factorization.

14445192919 is an evil number, because the sum of its binary digits is even.

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

The spelling of 14445192919 in words is "fourteen billion, four hundred forty-five million, one hundred ninety-two thousand, nine hundred nineteen".