64563242911 has 2 divisors, whose sum is σ = 64563242912. Its totient is φ = 64563242910.

The previous prime is 64563242873. The next prime is 64563242921. The reversal of 64563242911 is 11924236546.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64563242911 - 2⁹ = 64563242399 is a prime.

It is a super-3 number, since 3×64563242911³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64563242921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32281621455 + 32281621456.

It is an arithmetic number, because the mean of its divisors is an integer number (32281621456).

Almost surely, 2^64563242911 is an apocalyptic number.

64563242911 is a deficient number, since it is larger than the sum of its proper divisors (1).

64563242911 is an equidigital number, since it uses as much as digits as its factorization.

64563242911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The spelling of 64563242911 in words is "sixty-four billion, five hundred sixty-three million, two hundred forty-two thousand, nine hundred eleven".