442368874813 has 2 divisors, whose sum is σ = 442368874814. Its totient is φ = 442368874812.

The previous prime is 442368874763. The next prime is 442368874817. The reversal of 442368874813 is 318478863244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234142757689 + 208226117124 = 483883^2 + 456318^2 .

It is a cyclic number.

It is not a de Polignac number, because 442368874813 - 2²⁵ = 442335320381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442368874817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221184437406 + 221184437407.

It is an arithmetic number, because the mean of its divisors is an integer number (221184437407).

Almost surely, 2^442368874813 is an apocalyptic number.

It is an amenable number.

442368874813 is a deficient number, since it is larger than the sum of its proper divisors (1).

442368874813 is an equidigital number, since it uses as much as digits as its factorization.

442368874813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24772608, while the sum is 58.

The spelling of 442368874813 in words is "four hundred forty-two billion, three hundred sixty-eight million, eight hundred seventy-four thousand, eight hundred thirteen".