63334572762689 has 2 divisors, whose sum is σ = 63334572762690. Its totient is φ = 63334572762688.

The previous prime is 63334572762673. The next prime is 63334572762731. The reversal of 63334572762689 is 98626727543336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60202593095089 + 3131979667600 = 7759033^2 + 1769740^2 .

It is a cyclic number.

It is not a de Polignac number, because 63334572762689 - 2⁴ = 63334572762673 is a prime.

It is a super-2 number, since 2×63334572762689² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63334572762889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31667286381344 + 31667286381345.

It is an arithmetic number, because the mean of its divisors is an integer number (31667286381345).

Almost surely, 2^{63334572762689} is an apocalyptic number.

It is an amenable number.

63334572762689 is a deficient number, since it is larger than the sum of its proper divisors (1).

63334572762689 is an equidigital number, since it uses as much as digits as its factorization.

63334572762689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1646023680, while the sum is 71.

The spelling of 63334572762689 in words is "sixty-three trillion, three hundred thirty-four billion, five hundred seventy-two million, seven hundred sixty-two thousand, six hundred eighty-nine".