14919311819 has 2 divisors, whose sum is σ = 14919311820. Its totient is φ = 14919311818.

The previous prime is 14919311779. The next prime is 14919311821. The reversal of 14919311819 is 91811391941.

14919311819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14919311819 is a prime.

It is a super-2 number, since 2×14919311819² (a number of 21 digits) contains 22 as substring.

Together with 14919311821, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14919319819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7459655909 + 7459655910.

It is an arithmetic number, because the mean of its divisors is an integer number (7459655910).

Almost surely, 2^14919311819 is an apocalyptic number.

14919311819 is a deficient number, since it is larger than the sum of its proper divisors (1).

14919311819 is an equidigital number, since it uses as much as digits as its factorization.

14919311819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 47.

The spelling of 14919311819 in words is "fourteen billion, nine hundred nineteen million, three hundred eleven thousand, eight hundred nineteen".