842427236659 has 2 divisors, whose sum is σ = 842427236660. Its totient is φ = 842427236658.

The previous prime is 842427236597. The next prime is 842427236683. The reversal of 842427236659 is 956632724248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 842427236659 - 2⁷ = 842427236531 is a prime.

It is not a weakly prime, because it can be changed into another prime (842427236689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421213618329 + 421213618330.

It is an arithmetic number, because the mean of its divisors is an integer number (421213618330).

Almost surely, 2^842427236659 is an apocalyptic number.

842427236659 is a deficient number, since it is larger than the sum of its proper divisors (1).

842427236659 is an equidigital number, since it uses as much as digits as its factorization.

842427236659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34836480, while the sum is 58.

The spelling of 842427236659 in words is "eight hundred forty-two billion, four hundred twenty-seven million, two hundred thirty-six thousand, six hundred fifty-nine".