842749612163 has 2 divisors, whose sum is σ = 842749612164. Its totient is φ = 842749612162.

The previous prime is 842749612087. The next prime is 842749612181. The reversal of 842749612163 is 361216947248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 842749612163 - 2¹⁸ = 842749350019 is a prime.

It is not a weakly prime, because it can be changed into another prime (842749615163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421374806081 + 421374806082.

It is an arithmetic number, because the mean of its divisors is an integer number (421374806082).

Almost surely, 2^842749612163 is an apocalyptic number.

842749612163 is a deficient number, since it is larger than the sum of its proper divisors (1).

842749612163 is an equidigital number, since it uses as much as digits as its factorization.

842749612163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 53.

The spelling of 842749612163 in words is "eight hundred forty-two billion, seven hundred forty-nine million, six hundred twelve thousand, one hundred sixty-three".