63511842925441 has 2 divisors, whose sum is σ = 63511842925442. Its totient is φ = 63511842925440.

The previous prime is 63511842925439. The next prime is 63511842925459. The reversal of 63511842925441 is 14452924811536.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63471431874816 + 40411050625 = 7966896^2 + 201025^2 .

It is a cyclic number.

It is not a de Polignac number, because 63511842925441 - 2¹ = 63511842925439 is a prime.

Together with 63511842925439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (63511842925541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31755921462720 + 31755921462721.

It is an arithmetic number, because the mean of its divisors is an integer number (31755921462721).

Almost surely, 2^{63511842925441} is an apocalyptic number.

It is an amenable number.

63511842925441 is a deficient number, since it is larger than the sum of its proper divisors (1).

63511842925441 is an equidigital number, since it uses as much as digits as its factorization.

63511842925441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8294400, while the sum is 55.

The spelling of 63511842925441 in words is "sixty-three trillion, five hundred eleven billion, eight hundred forty-two million, nine hundred twenty-five thousand, four hundred forty-one".