19014614369 has 2 divisors, whose sum is σ = 19014614370. Its totient is φ = 19014614368.

The previous prime is 19014614351. The next prime is 19014614543. The reversal of 19014614369 is 96341641091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15898183744 + 3116430625 = 126088^2 + 55825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19014614369 is a prime.

It is a super-2 number, since 2×19014614369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19014614569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9507307184 + 9507307185.

It is an arithmetic number, because the mean of its divisors is an integer number (9507307185).

Almost surely, 2^19014614369 is an apocalyptic number.

It is an amenable number.

19014614369 is a deficient number, since it is larger than the sum of its proper divisors (1).

19014614369 is an equidigital number, since it uses as much as digits as its factorization.

19014614369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 19014614369 in words is "nineteen billion, fourteen million, six hundred fourteen thousand, three hundred sixty-nine".