63512287441 has 2 divisors, whose sum is σ = 63512287442. Its totient is φ = 63512287440.

The previous prime is 63512287439. The next prime is 63512287513. The reversal of 63512287441 is 14478221536.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43930483216 + 19581804225 = 209596^2 + 139935^2 .

It is a cyclic number.

It is not a de Polignac number, because 63512287441 - 2¹ = 63512287439 is a prime.

Together with 63512287439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (63512284441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31756143720 + 31756143721.

It is an arithmetic number, because the mean of its divisors is an integer number (31756143721).

Almost surely, 2^63512287441 is an apocalyptic number.

It is an amenable number.

63512287441 is a deficient number, since it is larger than the sum of its proper divisors (1).

63512287441 is an equidigital number, since it uses as much as digits as its factorization.

63512287441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 43.

The spelling of 63512287441 in words is "sixty-three billion, five hundred twelve million, two hundred eighty-seven thousand, four hundred forty-one".