63216433 has 16 divisors (see below), whose sum is σ = 75600000. Its totient is φ = 51714432.

The previous prime is 63216371. The next prime is 63216451. The reversal of 63216433 is 33461236.

63216433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63216433 - 2²¹ = 61119281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63216473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16318 + ... + 19816.

It is an arithmetic number, because the mean of its divisors is an integer number (4725000).

Almost surely, 2^63216433 is an apocalyptic number.

It is an amenable number.

63216433 is a deficient number, since it is larger than the sum of its proper divisors (12383567).

63216433 is a wasteful number, since it uses less digits than its factorization.

63216433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624.

The product of its digits is 7776, while the sum is 28.

The square root of 63216433 is about 7950.8762410190. The cubic root of 63216433 is about 398.3608609832.

Adding to 63216433 its reverse (33461236), we get a palindrome (96677669).

The spelling of 63216433 in words is "sixty-three million, two hundred sixteen thousand, four hundred thirty-three".