442420224013441 has 2 divisors, whose sum is σ = 442420224013442. Its totient is φ = 442420224013440.

The previous prime is 442420224013433. The next prime is 442420224013447. The reversal of 442420224013441 is 144310422024244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 436565295281025 + 5854928732416 = 20894145^2 + 2419696^2 .

It is a cyclic number.

It is not a de Polignac number, because 442420224013441 - 2³ = 442420224013433 is a prime.

It is a super-2 number, since 2×442420224013441² (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 442420224013441.

It is not a weakly prime, because it can be changed into another prime (442420224013447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221210112006720 + 221210112006721.

It is an arithmetic number, because the mean of its divisors is an integer number (221210112006721).

Almost surely, 2^{442420224013441} is an apocalyptic number.

It is an amenable number.

442420224013441 is a deficient number, since it is larger than the sum of its proper divisors (1).

442420224013441 is an equidigital number, since it uses as much as digits as its factorization.

442420224013441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196608, while the sum is 37.

Adding to 442420224013441 its reverse (144310422024244), we get a palindrome (586730646037685).

The spelling of 442420224013441 in words is "four hundred forty-two trillion, four hundred twenty billion, two hundred twenty-four million, thirteen thousand, four hundred forty-one".