63930899 has 4 divisors (see below), whose sum is σ = 64068264. Its totient is φ = 63793536.

The previous prime is 63930883. The next prime is 63930901. The reversal of 63930899 is 99803936.

63930899 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 is a cyclic number.

It is not a de Polignac number, because 63930899 - 2⁴ = 63930883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63930859) 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 3 ways as a sum of consecutive naturals, for example, 67982 + ... + 68915.

It is an arithmetic number, because the mean of its divisors is an integer number (16017066).

Almost surely, 2^63930899 is an apocalyptic number.

63930899 is a deficient number, since it is larger than the sum of its proper divisors (137365).

63930899 is a wasteful number, since it uses less digits than its factorization.

63930899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137364.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 63930899 is about 7995.6800211114. The cubic root of 63930899 is about 399.8559877407.

The spelling of 63930899 in words is "sixty-three million, nine hundred thirty thousand, eight hundred ninety-nine".