19054443743 has 2 divisors, whose sum is σ = 19054443744. Its totient is φ = 19054443742.

The previous prime is 19054443677. The next prime is 19054443763. The reversal of 19054443743 is 34734445091.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19054443743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19054443694 and 19054443703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19054443763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9527221871 + 9527221872.

It is an arithmetic number, because the mean of its divisors is an integer number (9527221872).

Almost surely, 2^19054443743 is an apocalyptic number.

19054443743 is a deficient number, since it is larger than the sum of its proper divisors (1).

19054443743 is an equidigital number, since it uses as much as digits as its factorization.

19054443743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 19054443743 in words is "nineteen billion, fifty-four million, four hundred forty-three thousand, seven hundred forty-three".