159742289899 has 2 divisors, whose sum is σ = 159742289900. Its totient is φ = 159742289898.

The previous prime is 159742289849. The next prime is 159742289909. The reversal of 159742289899 is 998982247951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159742289899 - 2²⁵ = 159708735467 is a prime.

It is not a weakly prime, because it can be changed into another prime (159742289849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79871144949 + 79871144950.

It is an arithmetic number, because the mean of its divisors is an integer number (79871144950).

Almost surely, 2^159742289899 is an apocalyptic number.

159742289899 is a deficient number, since it is larger than the sum of its proper divisors (1).

159742289899 is an equidigital number, since it uses as much as digits as its factorization.

159742289899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235146240, while the sum is 73.

The spelling of 159742289899 in words is "one hundred fifty-nine billion, seven hundred forty-two million, two hundred eighty-nine thousand, eight hundred ninety-nine".