442241113421369 has 2 divisors, whose sum is σ = 442241113421370. Its totient is φ = 442241113421368.

The previous prime is 442241113421339. The next prime is 442241113421381. The reversal of 442241113421369 is 963124311142244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396982193545744 + 45258919875625 = 19924412^2 + 6727475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442241113421369 is a prime.

It is a super-2 number, since 2×442241113421369² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (442241113421339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221120556710684 + 221120556710685.

It is an arithmetic number, because the mean of its divisors is an integer number (221120556710685).

Almost surely, 2^{442241113421369} is an apocalyptic number.

It is an amenable number.

442241113421369 is a deficient number, since it is larger than the sum of its proper divisors (1).

442241113421369 is an equidigital number, since it uses as much as digits as its factorization.

442241113421369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 47.

The spelling of 442241113421369 in words is "four hundred forty-two trillion, two hundred forty-one billion, one hundred thirteen million, four hundred twenty-one thousand, three hundred sixty-nine".