64546966899011 has 2 divisors, whose sum is σ = 64546966899012. Its totient is φ = 64546966899010.

The previous prime is 64546966899001. The next prime is 64546966899053. The reversal of 64546966899011 is 11099866964546.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64546966899011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64546966899011.

It is not a weakly prime, because it can be changed into another prime (64546966899001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32273483449505 + 32273483449506.

It is an arithmetic number, because the mean of its divisors is an integer number (32273483449506).

Almost surely, 2^{64546966899011} is an apocalyptic number.

64546966899011 is a deficient number, since it is larger than the sum of its proper divisors (1).

64546966899011 is an equidigital number, since it uses as much as digits as its factorization.

64546966899011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604661760, while the sum is 74.

The spelling of 64546966899011 in words is "sixty-four trillion, five hundred forty-six billion, nine hundred sixty-six million, eight hundred ninety-nine thousand, eleven".