63264322573 has 2 divisors, whose sum is σ = 63264322574. Its totient is φ = 63264322572.

The previous prime is 63264322543. The next prime is 63264322579. The reversal of 63264322573 is 37522346236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44038281609 + 19226040964 = 209853^2 + 138658^2 .

It is a cyclic number.

It is not a de Polignac number, because 63264322573 - 2⁹ = 63264322061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63264322579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31632161286 + 31632161287.

It is an arithmetic number, because the mean of its divisors is an integer number (31632161287).

Almost surely, 2^63264322573 is an apocalyptic number.

It is an amenable number.

63264322573 is a deficient number, since it is larger than the sum of its proper divisors (1).

63264322573 is an equidigital number, since it uses as much as digits as its factorization.

63264322573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 43.

The spelling of 63264322573 in words is "sixty-three billion, two hundred sixty-four million, three hundred twenty-two thousand, five hundred seventy-three".