63979445611 has 2 divisors, whose sum is σ = 63979445612. Its totient is φ = 63979445610.

The previous prime is 63979445609. The next prime is 63979445639. The reversal of 63979445611 is 11654497936.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63979445611 - 2¹ = 63979445609 is a prime.

Together with 63979445609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (63979445641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31989722805 + 31989722806.

It is an arithmetic number, because the mean of its divisors is an integer number (31989722806).

Almost surely, 2^63979445611 is an apocalyptic number.

63979445611 is a deficient number, since it is larger than the sum of its proper divisors (1).

63979445611 is an equidigital number, since it uses as much as digits as its factorization.

63979445611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 55.

The spelling of 63979445611 in words is "sixty-three billion, nine hundred seventy-nine million, four hundred forty-five thousand, six hundred eleven".