63744130573 has 2 divisors, whose sum is σ = 63744130574. Its totient is φ = 63744130572.

The previous prime is 63744130507. The next prime is 63744130589. The reversal of 63744130573 is 37503144736.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39552061129 + 24192069444 = 198877^2 + 155538^2 .

It is a cyclic number.

It is not a de Polignac number, because 63744130573 - 2³³ = 55154195981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63774130573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31872065286 + 31872065287.

It is an arithmetic number, because the mean of its divisors is an integer number (31872065287).

Almost surely, 2^63744130573 is an apocalyptic number.

It is an amenable number.

63744130573 is a deficient number, since it is larger than the sum of its proper divisors (1).

63744130573 is an equidigital number, since it uses as much as digits as its factorization.

63744130573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 43.

The spelling of 63744130573 in words is "sixty-three billion, seven hundred forty-four million, one hundred thirty thousand, five hundred seventy-three".