159443240863 has 2 divisors, whose sum is σ = 159443240864. Its totient is φ = 159443240862.

The previous prime is 159443240807. The next prime is 159443240903. The reversal of 159443240863 is 368042344951.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159443240863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159443240563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79721620431 + 79721620432.

It is an arithmetic number, because the mean of its divisors is an integer number (79721620432).

Almost surely, 2^159443240863 is an apocalyptic number.

159443240863 is a deficient number, since it is larger than the sum of its proper divisors (1).

159443240863 is an equidigital number, since it uses as much as digits as its factorization.

159443240863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 159443240863 in words is "one hundred fifty-nine billion, four hundred forty-three million, two hundred forty thousand, eight hundred sixty-three".