442125305269 has 2 divisors, whose sum is σ = 442125305270. Its totient is φ = 442125305268.

The previous prime is 442125305231. The next prime is 442125305287. The reversal of 442125305269 is 962503521244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 442098659025 + 26646244 = 664905^2 + 5162^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442125305269 is a prime.

It is a super-2 number, since 2×442125305269² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442125305299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221062652634 + 221062652635.

It is an arithmetic number, because the mean of its divisors is an integer number (221062652635).

Almost surely, 2^442125305269 is an apocalyptic number.

It is an amenable number.

442125305269 is a deficient number, since it is larger than the sum of its proper divisors (1).

442125305269 is an equidigital number, since it uses as much as digits as its factorization.

442125305269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 442125305269 in words is "four hundred forty-two billion, one hundred twenty-five million, three hundred five thousand, two hundred sixty-nine".