6438350159 has 2 divisors, whose sum is σ = 6438350160. Its totient is φ = 6438350158.

The previous prime is 6438350153. The next prime is 6438350167. The reversal of 6438350159 is 9510538346.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6438350159 - 2⁸ = 6438349903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6438350153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3219175079 + 3219175080.

It is an arithmetic number, because the mean of its divisors is an integer number (3219175080).

Almost surely, 2^6438350159 is an apocalyptic number.

6438350159 is a deficient number, since it is larger than the sum of its proper divisors (1).

6438350159 is an equidigital number, since it uses as much as digits as its factorization.

6438350159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 6438350159 is about 80239.3304994502. The cubic root of 6438350159 is about 1860.3366021835.

The spelling of 6438350159 in words is "six billion, four hundred thirty-eight million, three hundred fifty thousand, one hundred fifty-nine".