670064699 has 2 divisors, whose sum is σ = 670064700. Its totient is φ = 670064698.

The previous prime is 670064693. The next prime is 670064719. The reversal of 670064699 is 996460076.

670064699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670064699 - 2⁴ = 670064683 is a prime.

It is not a weakly prime, because it can be changed into another prime (670064693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335032349 + 335032350.

It is an arithmetic number, because the mean of its divisors is an integer number (335032350).

Almost surely, 2^670064699 is an apocalyptic number.

670064699 is a deficient number, since it is larger than the sum of its proper divisors (1).

670064699 is an equidigital number, since it uses as much as digits as its factorization.

670064699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 670064699 is about 25885.6079511376. The cubic root of 670064699 is about 875.0621774591.

The spelling of 670064699 in words is "six hundred seventy million, sixty-four thousand, six hundred ninety-nine".