402144444341 has 2 divisors, whose sum is σ = 402144444342. Its totient is φ = 402144444340.

The previous prime is 402144444301. The next prime is 402144444343. The reversal of 402144444341 is 143444441204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255382665316 + 146761779025 = 505354^2 + 383095^2 .

It is a cyclic number.

It is not a de Polignac number, because 402144444341 - 2³⁸ = 127266537397 is a prime.

It is a super-3 number, since 3×402144444341³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 402144444343, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402144444343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201072222170 + 201072222171.

It is an arithmetic number, because the mean of its divisors is an integer number (201072222171).

Almost surely, 2^402144444341 is an apocalyptic number.

It is an amenable number.

402144444341 is a deficient number, since it is larger than the sum of its proper divisors (1).

402144444341 is an equidigital number, since it uses as much as digits as its factorization.

402144444341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 402144444341 its reverse (143444441204), we get a palindrome (545588885545).

The spelling of 402144444341 in words is "four hundred two billion, one hundred forty-four million, four hundred forty-four thousand, three hundred forty-one".