442997108107 has 2 divisors, whose sum is σ = 442997108108. Its totient is φ = 442997108106.

The previous prime is 442997108093. The next prime is 442997108167. The reversal of 442997108107 is 701801799244.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442997108107 is a prime.

It is not a weakly prime, because it can be changed into another prime (442997108167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221498554053 + 221498554054.

It is an arithmetic number, because the mean of its divisors is an integer number (221498554054).

Almost surely, 2^442997108107 is an apocalyptic number.

442997108107 is a deficient number, since it is larger than the sum of its proper divisors (1).

442997108107 is an equidigital number, since it uses as much as digits as its factorization.

442997108107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 442997108107 in words is "four hundred forty-two billion, nine hundred ninety-seven million, one hundred eight thousand, one hundred seven".