63561544401307 has 2 divisors, whose sum is σ = 63561544401308. Its totient is φ = 63561544401306.

The previous prime is 63561544401253. The next prime is 63561544401323. The reversal of 63561544401307 is 70310444516536.

It is a happy number.

63561544401307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63561544401307 is a prime.

It is not a weakly prime, because it can be changed into another prime (63561544401007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31780772200653 + 31780772200654.

It is an arithmetic number, because the mean of its divisors is an integer number (31780772200654).

Almost surely, 2^{63561544401307} is an apocalyptic number.

63561544401307 is a deficient number, since it is larger than the sum of its proper divisors (1).

63561544401307 is an equidigital number, since it uses as much as digits as its factorization.

63561544401307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 63561544401307 in words is "sixty-three trillion, five hundred sixty-one billion, five hundred forty-four million, four hundred one thousand, three hundred seven".