63344389 has 8 divisors (see below), whose sum is σ = 63980280. Its totient is φ = 62712000.

The previous prime is 63344387. The next prime is 63344399. The reversal of 63344389 is 98344336.

63344389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 19228225 + 44116164 = 4385^2 + 6642^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63344389 - 2¹ = 63344387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63344387) 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 7 ways as a sum of consecutive naturals, for example, 48039 + ... + 49339.

It is an arithmetic number, because the mean of its divisors is an integer number (7997535).

Almost surely, 2^63344389 is an apocalyptic number.

It is an amenable number.

63344389 is a deficient number, since it is larger than the sum of its proper divisors (635891).

63344389 is a wasteful number, since it uses less digits than its factorization.

63344389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751.

The product of its digits is 186624, while the sum is 40.

The square root of 63344389 is about 7958.9188336105. The cubic root of 63344389 is about 398.6294531165.

The spelling of 63344389 in words is "sixty-three million, three hundred forty-four thousand, three hundred eighty-nine".