63892245961 has 2 divisors, whose sum is σ = 63892245962. Its totient is φ = 63892245960.

The previous prime is 63892245959. The next prime is 63892245971. The reversal of 63892245961 is 16954229836.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35548839936 + 28343406025 = 188544^2 + 168355^2 .

It is a cyclic number.

It is not a de Polignac number, because 63892245961 - 2¹ = 63892245959 is a prime.

Together with 63892245959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (63892245941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31946122980 + 31946122981.

It is an arithmetic number, because the mean of its divisors is an integer number (31946122981).

Almost surely, 2^63892245961 is an apocalyptic number.

It is an amenable number.

63892245961 is a deficient number, since it is larger than the sum of its proper divisors (1).

63892245961 is an equidigital number, since it uses as much as digits as its factorization.

63892245961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 55.

The spelling of 63892245961 in words is "sixty-three billion, eight hundred ninety-two million, two hundred forty-five thousand, nine hundred sixty-one".