442490400277379 has 2 divisors, whose sum is σ = 442490400277380. Its totient is φ = 442490400277378.

The previous prime is 442490400277349. The next prime is 442490400277439. The reversal of 442490400277379 is 973772004094244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442490400277379 - 2³² = 442486105310083 is a prime.

It is a super-3 number, since 3×442490400277379³ (a number of 45 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (442490400277309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221245200138689 + 221245200138690.

It is an arithmetic number, because the mean of its divisors is an integer number (221245200138690).

Almost surely, 2^{442490400277379} is an apocalyptic number.

442490400277379 is a deficient number, since it is larger than the sum of its proper divisors (1).

442490400277379 is an equidigital number, since it uses as much as digits as its factorization.

442490400277379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85349376, while the sum is 62.

The spelling of 442490400277379 in words is "four hundred forty-two trillion, four hundred ninety billion, four hundred million, two hundred seventy-seven thousand, three hundred seventy-nine".