344448181844381 has 2 divisors, whose sum is σ = 344448181844382. Its totient is φ = 344448181844380.

The previous prime is 344448181844341. The next prime is 344448181844453. The reversal of 344448181844381 is 183448181844443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 300570355411225 + 43877826433156 = 17336965^2 + 6624034^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344448181844381 is a prime.

It is a super-2 number, since 2×344448181844381² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344448181844311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172224090922190 + 172224090922191.

It is an arithmetic number, because the mean of its divisors is an integer number (172224090922191).

Almost surely, 2^{344448181844381} is an apocalyptic number.

It is an amenable number.

344448181844381 is a deficient number, since it is larger than the sum of its proper divisors (1).

344448181844381 is an equidigital number, since it uses as much as digits as its factorization.

344448181844381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150994944, while the sum is 65.

The spelling of 344448181844381 in words is "three hundred forty-four trillion, four hundred forty-eight billion, one hundred eighty-one million, eight hundred forty-four thousand, three hundred eighty-one".