442861272810167 has 2 divisors, whose sum is σ = 442861272810168. Its totient is φ = 442861272810166.

The previous prime is 442861272810157. The next prime is 442861272810247. The reversal of 442861272810167 is 761018272168244.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442861272810167 is a prime.

It is a super-2 number, since 2×442861272810167² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442861272810107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221430636405083 + 221430636405084.

It is an arithmetic number, because the mean of its divisors is an integer number (221430636405084).

Almost surely, 2^{442861272810167} is an apocalyptic number.

442861272810167 is a deficient number, since it is larger than the sum of its proper divisors (1).

442861272810167 is an equidigital number, since it uses as much as digits as its factorization.

442861272810167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14450688, while the sum is 59.

The spelling of 442861272810167 in words is "four hundred forty-two trillion, eight hundred sixty-one billion, two hundred seventy-two million, eight hundred ten thousand, one hundred sixty-seven".