869459159 has 2 divisors, whose sum is σ = 869459160. Its totient is φ = 869459158.

The previous prime is 869459147. The next prime is 869459191. The reversal of 869459159 is 951954968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 869459159 - 2²⁰ = 868410583 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (869459659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434729579 + 434729580.

It is an arithmetic number, because the mean of its divisors is an integer number (434729580).

Almost surely, 2^869459159 is an apocalyptic number.

869459159 is a deficient number, since it is larger than the sum of its proper divisors (1).

869459159 is an equidigital number, since it uses as much as digits as its factorization.

869459159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3499200, while the sum is 56.

The square root of 869459159 is about 29486.5928686242. The cubic root of 869459159 is about 954.4424105434.

The spelling of 869459159 in words is "eight hundred sixty-nine million, four hundred fifty-nine thousand, one hundred fifty-nine".