4342144395949 has 2 divisors, whose sum is σ = 4342144395950. Its totient is φ = 4342144395948.

The previous prime is 4342144395931. The next prime is 4342144395959. The reversal of 4342144395949 is 9495934412434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4083256779849 + 258887616100 = 2020707^2 + 508810^2 .

It is a cyclic number.

It is not a de Polignac number, because 4342144395949 - 2¹⁷ = 4342144264877 is a prime.

It is a super-2 number, since 2×4342144395949² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4342144395959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2171072197974 + 2171072197975.

It is an arithmetic number, because the mean of its divisors is an integer number (2171072197975).

Almost surely, 2^{4342144395949} is an apocalyptic number.

It is an amenable number.

4342144395949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4342144395949 is an equidigital number, since it uses as much as digits as its factorization.

4342144395949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67184640, while the sum is 61.

The spelling of 4342144395949 in words is "four trillion, three hundred forty-two billion, one hundred forty-four million, three hundred ninety-five thousand, nine hundred forty-nine".