14239378819 has 2 divisors, whose sum is σ = 14239378820. Its totient is φ = 14239378818.

The previous prime is 14239378757. The next prime is 14239378837. The reversal of 14239378819 is 91887393241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14239378819 - 2²³ = 14230990211 is a prime.

It is a super-2 number, since 2×14239378819² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14239378819.

It is not a weakly prime, because it can be changed into another prime (14239378859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7119689409 + 7119689410.

It is an arithmetic number, because the mean of its divisors is an integer number (7119689410).

Almost surely, 2^14239378819 is an apocalyptic number.

14239378819 is a deficient number, since it is larger than the sum of its proper divisors (1).

14239378819 is an equidigital number, since it uses as much as digits as its factorization.

14239378819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 55.

The spelling of 14239378819 in words is "fourteen billion, two hundred thirty-nine million, three hundred seventy-eight thousand, eight hundred nineteen".