63446520041 has 2 divisors, whose sum is σ = 63446520042. Its totient is φ = 63446520040.

The previous prime is 63446520001. The next prime is 63446520113. The reversal of 63446520041 is 14002564436.

63446520041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57709972441 + 5736547600 = 240229^2 + 75740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63446520041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63446519983 and 63446520010.

It is not a weakly prime, because it can be changed into another prime (63446520001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31723260020 + 31723260021.

It is an arithmetic number, because the mean of its divisors is an integer number (31723260021).

Almost surely, 2^63446520041 is an apocalyptic number.

It is an amenable number.

63446520041 is a deficient number, since it is larger than the sum of its proper divisors (1).

63446520041 is an equidigital number, since it uses as much as digits as its factorization.

63446520041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 63446520041 in words is "sixty-three billion, four hundred forty-six million, five hundred twenty thousand, forty-one".