63489910 has 48 divisors (see below), whose sum is σ = 126862848. Its totient is φ = 22858880.

The previous prime is 63489901. The next prime is 63489911. The reversal of 63489910 is 1998436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63489911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165579 + ... + 165961.

It is an arithmetic number, because the mean of its divisors is an integer number (2642976).

Almost surely, 2^63489910 is an apocalyptic number.

63489910 is a deficient number, since it is larger than the sum of its proper divisors (63372938).

63489910 is a wasteful number, since it uses less digits than its factorization.

63489910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 63489910 is about 7968.0555971956. The cubic root of 63489910 is about 398.9344766704.

The spelling of 63489910 in words is "sixty-three million, four hundred eighty-nine thousand, nine hundred ten".