14354561519 has 2 divisors, whose sum is σ = 14354561520. Its totient is φ = 14354561518.

The previous prime is 14354561497. The next prime is 14354561531. The reversal of 14354561519 is 91516545341.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14354561519 is a prime.

It is a super-2 number, since 2×14354561519² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14354561519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14354561719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7177280759 + 7177280760.

It is an arithmetic number, because the mean of its divisors is an integer number (7177280760).

Almost surely, 2^14354561519 is an apocalyptic number.

14354561519 is a deficient number, since it is larger than the sum of its proper divisors (1).

14354561519 is an equidigital number, since it uses as much as digits as its factorization.

14354561519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324000, while the sum is 44.

The spelling of 14354561519 in words is "fourteen billion, three hundred fifty-four million, five hundred sixty-one thousand, five hundred nineteen".