442023714266531 has 2 divisors, whose sum is σ = 442023714266532. Its totient is φ = 442023714266530.

The previous prime is 442023714266521. The next prime is 442023714266573. The reversal of 442023714266531 is 135662417320244.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442023714266531 - 2¹⁸ = 442023714004387 is a prime.

It is a super-2 number, since 2×442023714266531² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442023714266531.

It is not a weakly prime, because it can be changed into another prime (442023714266521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221011857133265 + 221011857133266.

It is an arithmetic number, because the mean of its divisors is an integer number (221011857133266).

Almost surely, 2^{442023714266531} is an apocalyptic number.

442023714266531 is a deficient number, since it is larger than the sum of its proper divisors (1).

442023714266531 is an equidigital number, since it uses as much as digits as its factorization.

442023714266531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 50.

The spelling of 442023714266531 in words is "four hundred forty-two trillion, twenty-three billion, seven hundred fourteen million, two hundred sixty-six thousand, five hundred thirty-one".