63669730633 has 2 divisors, whose sum is σ = 63669730634. Its totient is φ = 63669730632.

The previous prime is 63669730613. The next prime is 63669730667. The reversal of 63669730633 is 33603796636.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38694037264 + 24975693369 = 196708^2 + 158037^2 .

It is a cyclic number.

It is not a de Polignac number, because 63669730633 - 2⁹ = 63669730121 is a prime.

It is not a weakly prime, because it can be changed into another prime (63669730613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31834865316 + 31834865317.

It is an arithmetic number, because the mean of its divisors is an integer number (31834865317).

Almost surely, 2^63669730633 is an apocalyptic number.

It is an amenable number.

63669730633 is a deficient number, since it is larger than the sum of its proper divisors (1).

63669730633 is an equidigital number, since it uses as much as digits as its factorization.

63669730633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6613488, while the sum is 52.

The spelling of 63669730633 in words is "sixty-three billion, six hundred sixty-nine million, seven hundred thirty thousand, six hundred thirty-three".