63244689 has 16 divisors (see below), whose sum is σ = 85545600. Its totient is φ = 41558400.

The previous prime is 63244667. The next prime is 63244691. The reversal of 63244689 is 98644236.

It is a happy number.

It is not a de Polignac number, because 63244689 - 2⁷ = 63244561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63244689.

It is not an unprimeable number, because it can be changed into a prime (63244639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67029 + ... + 67965.

It is an arithmetic number, because the mean of its divisors is an integer number (5346600).

Almost surely, 2^63244689 is an apocalyptic number.

It is an amenable number.

63244689 is a deficient number, since it is larger than the sum of its proper divisors (22300911).

63244689 is a wasteful number, since it uses less digits than its factorization.

63244689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240.

The product of its digits is 248832, while the sum is 42.

The square root of 63244689 is about 7952.6529535747. The cubic root of 63244689 is about 398.4202042442.

The spelling of 63244689 in words is "sixty-three million, two hundred forty-four thousand, six hundred eighty-nine".