442330142413 has 2 divisors, whose sum is σ = 442330142414. Its totient is φ = 442330142412.

The previous prime is 442330142299. The next prime is 442330142437. The reversal of 442330142413 is 314241033244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 430234981929 + 12095160484 = 655923^2 + 109978^2 .

It is a cyclic number.

It is not a de Polignac number, because 442330142413 - 2¹⁷ = 442330011341 is a prime.

It is a super-2 number, since 2×442330142413² (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 (442330142473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221165071206 + 221165071207.

It is an arithmetic number, because the mean of its divisors is an integer number (221165071207).

Almost surely, 2^442330142413 is an apocalyptic number.

It is an amenable number.

442330142413 is a deficient number, since it is larger than the sum of its proper divisors (1).

442330142413 is an equidigital number, since it uses as much as digits as its factorization.

442330142413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 442330142413 its reverse (314241033244), we get a palindrome (756571175657).

The spelling of 442330142413 in words is "four hundred forty-two billion, three hundred thirty million, one hundred forty-two thousand, four hundred thirteen".