63993914 has 4 divisors (see below), whose sum is σ = 95990874. Its totient is φ = 31996956.

The previous prime is 63993883. The next prime is 63993929. The reversal of 63993914 is 41939936.

63993914 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 33930625 + 30063289 = 5825^2 + 5483^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15998477 + ... + 15998480.

Almost surely, 2^63993914 is an apocalyptic number.

63993914 is a deficient number, since it is larger than the sum of its proper divisors (31996960).

63993914 is a wasteful number, since it uses less digits than its factorization.

63993914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31996959.

The product of its digits is 157464, while the sum is 44.

The square root of 63993914 is about 7999.6196159567. The cubic root of 63993914 is about 399.9873204314.

The spelling of 63993914 in words is "sixty-three million, nine hundred ninety-three thousand, nine hundred fourteen".