64730066699 has 2 divisors, whose sum is σ = 64730066700. Its totient is φ = 64730066698.

The previous prime is 64730066693. The next prime is 64730066701. The reversal of 64730066699 is 99666003746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64730066699 - 2²⁴ = 64713289483 is a prime.

Together with 64730066701, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64730066693) 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, 32365033349 + 32365033350.

It is an arithmetic number, because the mean of its divisors is an integer number (32365033350).

Almost surely, 2^64730066699 is an apocalyptic number.

64730066699 is a deficient number, since it is larger than the sum of its proper divisors (1).

64730066699 is an equidigital number, since it uses as much as digits as its factorization.

64730066699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8817984, while the sum is 56.

The spelling of 64730066699 in words is "sixty-four billion, seven hundred thirty million, sixty-six thousand, six hundred ninety-nine".