41243442551 has 2 divisors, whose sum is σ = 41243442552. Its totient is φ = 41243442550.

The previous prime is 41243442479. The next prime is 41243442553. The reversal of 41243442551 is 15524434214.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41243442551 - 2¹⁰ = 41243441527 is a prime.

Together with 41243442553, 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 (41243442553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20621721275 + 20621721276.

It is an arithmetic number, because the mean of its divisors is an integer number (20621721276).

Almost surely, 2^41243442551 is an apocalyptic number.

41243442551 is a deficient number, since it is larger than the sum of its proper divisors (1).

41243442551 is an equidigital number, since it uses as much as digits as its factorization.

41243442551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76800, while the sum is 35.

Adding to 41243442551 its reverse (15524434214), we get a palindrome (56767876765).

The spelling of 41243442551 in words is "forty-one billion, two hundred forty-three million, four hundred forty-two thousand, five hundred fifty-one".