63611466209 has 2 divisors, whose sum is σ = 63611466210. Its totient is φ = 63611466208.

The previous prime is 63611466203. The next prime is 63611466227. The reversal of 63611466209 is 90266411636.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63252250000 + 359216209 = 251500^2 + 18953^2 .

It is a cyclic number.

It is not a de Polignac number, because 63611466209 - 2²⁸ = 63343030753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63611466209.

It is not a weakly prime, because it can be changed into another prime (63611466203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31805733104 + 31805733105.

It is an arithmetic number, because the mean of its divisors is an integer number (31805733105).

Almost surely, 2^63611466209 is an apocalyptic number.

It is an amenable number.

63611466209 is a deficient number, since it is larger than the sum of its proper divisors (1).

63611466209 is an equidigital number, since it uses as much as digits as its factorization.

63611466209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 63611466209 in words is "sixty-three billion, six hundred eleven million, four hundred sixty-six thousand, two hundred nine".