63620663 has 2 divisors, whose sum is σ = 63620664. Its totient is φ = 63620662.

The previous prime is 63620659. The next prime is 63620677. The reversal of 63620663 is 36602636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63620663 - 2² = 63620659 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63620653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31810331 + 31810332.

It is an arithmetic number, because the mean of its divisors is an integer number (31810332).

Almost surely, 2^63620663 is an apocalyptic number.

63620663 is a deficient number, since it is larger than the sum of its proper divisors (1).

63620663 is an equidigital number, since it uses as much as digits as its factorization.

63620663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 63620663 is about 7976.2562020035. The cubic root of 63620663 is about 399.2081480439.

The spelling of 63620663 in words is "sixty-three million, six hundred twenty thousand, six hundred sixty-three".