4122444242569 has 2 divisors, whose sum is σ = 4122444242570. Its totient is φ = 4122444242568.

The previous prime is 4122444242479. The next prime is 4122444242597. The reversal of 4122444242569 is 9652424442214.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2698670274169 + 1423773968400 = 1642763^2 + 1193220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4122444242569 is a prime.

It is a super-2 number, since 2×4122444242569² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4122444242069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061222121284 + 2061222121285.

It is an arithmetic number, because the mean of its divisors is an integer number (2061222121285).

Almost surely, 2^{4122444242569} is an apocalyptic number.

It is an amenable number.

4122444242569 is a deficient number, since it is larger than the sum of its proper divisors (1).

4122444242569 is an equidigital number, since it uses as much as digits as its factorization.

4122444242569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4423680, while the sum is 49.

The spelling of 4122444242569 in words is "four trillion, one hundred twenty-two billion, four hundred forty-four million, two hundred forty-two thousand, five hundred sixty-nine".