64546966964567 has 2 divisors, whose sum is σ = 64546966964568. Its totient is φ = 64546966964566.

The previous prime is 64546966964561. The next prime is 64546966964587. The reversal of 64546966964567 is 76546966964546.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64546966964567 - 2¹² = 64546966960471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64546966964561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32273483482283 + 32273483482284.

It is an arithmetic number, because the mean of its divisors is an integer number (32273483482284).

Almost surely, 2^{64546966964567} is an apocalyptic number.

64546966964567 is a deficient number, since it is larger than the sum of its proper divisors (1).

64546966964567 is an equidigital number, since it uses as much as digits as its factorization.

64546966964567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42326323200, while the sum is 83.

The spelling of 64546966964567 in words is "sixty-four trillion, five hundred forty-six billion, nine hundred sixty-six million, nine hundred sixty-four thousand, five hundred sixty-seven".