442858449287 has 2 divisors, whose sum is σ = 442858449288. Its totient is φ = 442858449286.

The previous prime is 442858449283. The next prime is 442858449331. The reversal of 442858449287 is 782944858244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442858449287 - 2² = 442858449283 is a prime.

It is a super-2 number, since 2×442858449287² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442858449281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221429224643 + 221429224644.

It is an arithmetic number, because the mean of its divisors is an integer number (221429224644).

Almost surely, 2^442858449287 is an apocalyptic number.

442858449287 is a deficient number, since it is larger than the sum of its proper divisors (1).

442858449287 is an equidigital number, since it uses as much as digits as its factorization.

442858449287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165150720, while the sum is 65.

The spelling of 442858449287 in words is "four hundred forty-two billion, eight hundred fifty-eight million, four hundred forty-nine thousand, two hundred eighty-seven".