63489249 has 6 divisors (see below), whose sum is σ = 91706706. Its totient is φ = 42326160.

The previous prime is 63489211. The next prime is 63489253. The reversal of 63489249 is 94298436.

63489249 is a `hidden beast` number, since 634 + 8 + 9 + 2 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 63489024 + 225 = 7968^2 + 15^2 .

It is not a de Polignac number, because 63489249 - 2¹¹ = 63487201 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 3527172 + ... + 3527189.

It is an arithmetic number, because the mean of its divisors is an integer number (15284451).

Almost surely, 2^63489249 is an apocalyptic number.

It is an amenable number.

63489249 is a deficient number, since it is larger than the sum of its proper divisors (28217457).

63489249 is a wasteful number, since it uses less digits than its factorization.

63489249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7054367 (or 7054364 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 63489249 is about 7968.0141189634. The cubic root of 63489249 is about 398.9330922162.

The spelling of 63489249 in words is "sixty-three million, four hundred eighty-nine thousand, two hundred forty-nine".