19004444713 has 2 divisors, whose sum is σ = 19004444714. Its totient is φ = 19004444712.

The previous prime is 19004444699. The next prime is 19004444729. The reversal of 19004444713 is 31744440091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18826035264 + 178409449 = 137208^2 + 13357^2 .

It is a cyclic number.

It is not a de Polignac number, because 19004444713 - 2²⁹ = 18467573801 is a prime.

It is a super-2 number, since 2×19004444713² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19004444213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9502222356 + 9502222357.

It is an arithmetic number, because the mean of its divisors is an integer number (9502222357).

Almost surely, 2^19004444713 is an apocalyptic number.

It is an amenable number.

19004444713 is a deficient number, since it is larger than the sum of its proper divisors (1).

19004444713 is an equidigital number, since it uses as much as digits as its factorization.

19004444713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 19004444713 in words is "nineteen billion, four million, four hundred forty-four thousand, seven hundred thirteen".