800129742163 has 2 divisors, whose sum is σ = 800129742164. Its totient is φ = 800129742162.

The previous prime is 800129742109. The next prime is 800129742193. The reversal of 800129742163 is 361247921008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 800129742163 - 2²⁵ = 800096187731 is a prime.

It is not a weakly prime, because it can be changed into another prime (800129742193) 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, 400064871081 + 400064871082.

It is an arithmetic number, because the mean of its divisors is an integer number (400064871082).

Almost surely, 2^800129742163 is an apocalyptic number.

800129742163 is a deficient number, since it is larger than the sum of its proper divisors (1).

800129742163 is an equidigital number, since it uses as much as digits as its factorization.

800129742163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 800129742163 in words is "eight hundred billion, one hundred twenty-nine million, seven hundred forty-two thousand, one hundred sixty-three".