63426443 has 2 divisors, whose sum is σ = 63426444. Its totient is φ = 63426442.

The previous prime is 63426383. The next prime is 63426449. The reversal of 63426443 is 34462436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63426443 - 2⁶ = 63426379 is a prime.

It is not a weakly prime, because it can be changed into another prime (63426449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31713221 + 31713222.

It is an arithmetic number, because the mean of its divisors is an integer number (31713222).

Almost surely, 2^63426443 is an apocalyptic number.

63426443 is a deficient number, since it is larger than the sum of its proper divisors (1).

63426443 is an equidigital number, since it uses as much as digits as its factorization.

63426443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 32.

The square root of 63426443 is about 7964.0720112264. The cubic root of 63426443 is about 398.8015021773.

Adding to 63426443 its reverse (34462436), we get a palindrome (97888879).

The spelling of 63426443 in words is "sixty-three million, four hundred twenty-six thousand, four hundred forty-three".