63489299 has 4 divisors (see below), whose sum is σ = 65205264. Its totient is φ = 61773336.

The previous prime is 63489287. The next prime is 63489319. The reversal of 63489299 is 99298436.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63489299 - 2⁸ = 63489043 is a prime.

It is a super-2 number, since 2×63489299² = 8061782175022802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63489259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857927 + ... + 858000.

It is an arithmetic number, because the mean of its divisors is an integer number (16301316).

Almost surely, 2^63489299 is an apocalyptic number.

63489299 is a deficient number, since it is larger than the sum of its proper divisors (1715965).

63489299 is a wasteful number, since it uses less digits than its factorization.

63489299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715964.

The product of its digits is 839808, while the sum is 50.

The square root of 63489299 is about 7968.0172565074. The cubic root of 63489299 is about 398.9331969408.

The spelling of 63489299 in words is "sixty-three million, four hundred eighty-nine thousand, two hundred ninety-nine".