63996683 has 2 divisors, whose sum is σ = 63996684. Its totient is φ = 63996682.

The previous prime is 63996671. The next prime is 63996701. The reversal of 63996683 is 38669936.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63996683 is a prime.

It is not a weakly prime, because it can be changed into another prime (63906683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31998341 + 31998342.

It is an arithmetic number, because the mean of its divisors is an integer number (31998342).

Almost surely, 2^63996683 is an apocalyptic number.

63996683 is a deficient number, since it is larger than the sum of its proper divisors (1).

63996683 is an equidigital number, since it uses as much as digits as its factorization.

63996683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 50.

The square root of 63996683 is about 7999.7926848138. The cubic root of 63996683 is about 399.9930894639.

The spelling of 63996683 in words is "sixty-three million, nine hundred ninety-six thousand, six hundred eighty-three".