25443168341 has 2 divisors, whose sum is σ = 25443168342. Its totient is φ = 25443168340.

The previous prime is 25443168313. The next prime is 25443168349. The reversal of 25443168341 is 14386134452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23461048900 + 1982119441 = 153170^2 + 44521^2 .

It is a cyclic number.

It is not a de Polignac number, because 25443168341 - 2²² = 25438974037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25443168349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12721584170 + 12721584171.

It is an arithmetic number, because the mean of its divisors is an integer number (12721584171).

Almost surely, 2^25443168341 is an apocalyptic number.

It is an amenable number.

25443168341 is a deficient number, since it is larger than the sum of its proper divisors (1).

25443168341 is an equidigital number, since it uses as much as digits as its factorization.

25443168341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 41.

The spelling of 25443168341 in words is "twenty-five billion, four hundred forty-three million, one hundred sixty-eight thousand, three hundred forty-one".