63436363 has 2 divisors, whose sum is σ = 63436364. Its totient is φ = 63436362.

The previous prime is 63436349. The next prime is 63436379. The reversal of 63436363 is 36363436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63436363 - 2¹³ = 63428171 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (63136363) 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, 31718181 + 31718182.

It is an arithmetic number, because the mean of its divisors is an integer number (31718182).

Almost surely, 2^63436363 is an apocalyptic number.

63436363 is a deficient number, since it is larger than the sum of its proper divisors (1).

63436363 is an equidigital number, since it uses as much as digits as its factorization.

63436363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 34.

The square root of 63436363 is about 7964.6947838571. The cubic root of 63436363 is about 398.8222921637.

Adding to 63436363 its reverse (36363436), we get a palindrome (99799799).

The spelling of 63436363 in words is "sixty-three million, four hundred thirty-six thousand, three hundred sixty-three".