19629434159 has 2 divisors, whose sum is σ = 19629434160. Its totient is φ = 19629434158.

The previous prime is 19629434141. The next prime is 19629434173. The reversal of 19629434159 is 95143492691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19629434159 - 2⁸ = 19629433903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19629434159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19629434129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9814717079 + 9814717080.

It is an arithmetic number, because the mean of its divisors is an integer number (9814717080).

Almost surely, 2^19629434159 is an apocalyptic number.

19629434159 is a deficient number, since it is larger than the sum of its proper divisors (1).

19629434159 is an equidigital number, since it uses as much as digits as its factorization.

19629434159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 53.

The spelling of 19629434159 in words is "nineteen billion, six hundred twenty-nine million, four hundred thirty-four thousand, one hundred fifty-nine".