63264281329 has 2 divisors, whose sum is σ = 63264281330. Its totient is φ = 63264281328.

The previous prime is 63264281303. The next prime is 63264281341. The reversal of 63264281329 is 92318246236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56796422400 + 6467858929 = 238320^2 + 80423^2 .

It is a cyclic number.

It is not a de Polignac number, because 63264281329 - 2⁹ = 63264280817 is a prime.

It is not a weakly prime, because it can be changed into another prime (63264281369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31632140664 + 31632140665.

It is an arithmetic number, because the mean of its divisors is an integer number (31632140665).

Almost surely, 2^63264281329 is an apocalyptic number.

It is an amenable number.

63264281329 is a deficient number, since it is larger than the sum of its proper divisors (1).

63264281329 is an equidigital number, since it uses as much as digits as its factorization.

63264281329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 46.

The spelling of 63264281329 in words is "sixty-three billion, two hundred sixty-four million, two hundred eighty-one thousand, three hundred twenty-nine".