63732560393 has 2 divisors, whose sum is σ = 63732560394. Its totient is φ = 63732560392.

The previous prime is 63732560371. The next prime is 63732560443. The reversal of 63732560393 is 39306523736.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60785916304 + 2946644089 = 246548^2 + 54283^2 .

It is a cyclic number.

It is not a de Polignac number, because 63732560393 - 2¹⁸ = 63732298249 is a prime.

It is not a weakly prime, because it can be changed into another prime (63732560303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31866280196 + 31866280197.

It is an arithmetic number, because the mean of its divisors is an integer number (31866280197).

Almost surely, 2^63732560393 is an apocalyptic number.

It is an amenable number.

63732560393 is a deficient number, since it is larger than the sum of its proper divisors (1).

63732560393 is an equidigital number, since it uses as much as digits as its factorization.

63732560393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1837080, while the sum is 47.

The spelling of 63732560393 in words is "sixty-three billion, seven hundred thirty-two million, five hundred sixty thousand, three hundred ninety-three".