43401344341 has 2 divisors, whose sum is σ = 43401344342. Its totient is φ = 43401344340.

The previous prime is 43401344297. The next prime is 43401344351. The reversal of 43401344341 is 14344310434.

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., 43400972241 + 372100 = 208329^2 + 610^2 .

It is a cyclic number.

It is not a de Polignac number, because 43401344341 - 2⁷ = 43401344213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43401344351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21700672170 + 21700672171.

It is an arithmetic number, because the mean of its divisors is an integer number (21700672171).

Almost surely, 2^43401344341 is an apocalyptic number.

It is an amenable number.

43401344341 is a deficient number, since it is larger than the sum of its proper divisors (1).

43401344341 is an equidigital number, since it uses as much as digits as its factorization.

43401344341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 43401344341 its reverse (14344310434), we get a palindrome (57745654775).

The spelling of 43401344341 in words is "forty-three billion, four hundred one million, three hundred forty-four thousand, three hundred forty-one".