63499612 has 24 divisors (see below), whose sum is σ = 121605120. Its totient is φ = 28773360.

The previous prime is 63499591. The next prime is 63499613. The reversal of 63499612 is 21699436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63499613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13189 + ... + 17347.

It is an arithmetic number, because the mean of its divisors is an integer number (5066880).

Almost surely, 2^63499612 is an apocalyptic number.

It is an amenable number.

63499612 is a deficient number, since it is larger than the sum of its proper divisors (58105508).

63499612 is a wasteful number, since it uses less digits than its factorization.

63499612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521 (or 4519 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 63499612 is about 7968.6643799322. The cubic root of 63499612 is about 398.9547962516.

The spelling of 63499612 in words is "sixty-three million, four hundred ninety-nine thousand, six hundred twelve".