442602406369 has 2 divisors, whose sum is σ = 442602406370. Its totient is φ = 442602406368.

The previous prime is 442602406303. The next prime is 442602406409. The reversal of 442602406369 is 963604206244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360975059344 + 81627347025 = 600812^2 + 285705^2 .

It is a cyclic number.

It is not a de Polignac number, because 442602406369 - 2¹⁵ = 442602373601 is a prime.

It is a super-2 number, since 2×442602406369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (442602407369) 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, 221301203184 + 221301203185.

It is an arithmetic number, because the mean of its divisors is an integer number (221301203185).

Almost surely, 2^442602406369 is an apocalyptic number.

It is an amenable number.

442602406369 is a deficient number, since it is larger than the sum of its proper divisors (1).

442602406369 is an equidigital number, since it uses as much as digits as its factorization.

442602406369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 442602406369 in words is "four hundred forty-two billion, six hundred two million, four hundred six thousand, three hundred sixty-nine".