19344489383 has 2 divisors, whose sum is σ = 19344489384. Its totient is φ = 19344489382.

The previous prime is 19344489379. The next prime is 19344489389. The reversal of 19344489383 is 38398444391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19344489383 - 2² = 19344489379 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19344489389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9672244691 + 9672244692.

It is an arithmetic number, because the mean of its divisors is an integer number (9672244692).

Almost surely, 2^19344489383 is an apocalyptic number.

19344489383 is a deficient number, since it is larger than the sum of its proper divisors (1).

19344489383 is an equidigital number, since it uses as much as digits as its factorization.

19344489383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8957952, while the sum is 56.

The spelling of 19344489383 in words is "nineteen billion, three hundred forty-four million, four hundred eighty-nine thousand, three hundred eighty-three".