442402463 has 2 divisors, whose sum is σ = 442402464. Its totient is φ = 442402462.

The previous prime is 442402421. The next prime is 442402469. The reversal of 442402463 is 364204244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442402463 - 2¹⁶ = 442336927 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442402469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221201231 + 221201232.

It is an arithmetic number, because the mean of its divisors is an integer number (221201232).

Almost surely, 2^442402463 is an apocalyptic number.

442402463 is a deficient number, since it is larger than the sum of its proper divisors (1).

442402463 is an equidigital number, since it uses as much as digits as its factorization.

442402463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 442402463 is about 21033.3654701286. The cubic root of 442402463 is about 761.9722912518.

The spelling of 442402463 in words is "four hundred forty-two million, four hundred two thousand, four hundred sixty-three".