63993249 has 12 divisors (see below), whose sum is σ = 93549456. Its totient is φ = 42147672.

The previous prime is 63993247. The next prime is 63993271. The reversal of 63993249 is 94239936.

63993249 is a `hidden beast` number, since 639 + 9 + 3 + 2 + 4 + 9 = 666.

63993249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63993249 - 2¹ = 63993247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63993247) 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 11 ways as a sum of consecutive naturals, for example, 42087 + ... + 43580.

It is an arithmetic number, because the mean of its divisors is an integer number (7795788).

Almost surely, 2^63993249 is an apocalyptic number.

It is an amenable number.

63993249 is a deficient number, since it is larger than the sum of its proper divisors (29556207).

63993249 is a wasteful number, since it uses less digits than its factorization.

63993249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85756 (or 85753 counting only the distinct ones).

The product of its digits is 314928, while the sum is 45.

The square root of 63993249 is about 7999.5780513725. The cubic root of 63993249 is about 399.9859349221.

The spelling of 63993249 in words is "sixty-three million, nine hundred ninety-three thousand, two hundred forty-nine".