19045385159 has 2 divisors, whose sum is σ = 19045385160. Its totient is φ = 19045385158.

The previous prime is 19045385113. The next prime is 19045385171. The reversal of 19045385159 is 95158354091.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19045385159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19045385659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9522692579 + 9522692580.

It is an arithmetic number, because the mean of its divisors is an integer number (9522692580).

Almost surely, 2^19045385159 is an apocalyptic number.

19045385159 is a deficient number, since it is larger than the sum of its proper divisors (1).

19045385159 is an equidigital number, since it uses as much as digits as its factorization.

19045385159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972000, while the sum is 50.

The spelling of 19045385159 in words is "nineteen billion, forty-five million, three hundred eighty-five thousand, one hundred fifty-nine".