670703659 has 2 divisors, whose sum is σ = 670703660. Its totient is φ = 670703658.

The previous prime is 670703651. The next prime is 670703749. The reversal of 670703659 is 956307076.

670703659 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 670703659 - 2³ = 670703651 is a prime.

It is not a weakly prime, because it can be changed into another prime (670703651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335351829 + 335351830.

It is an arithmetic number, because the mean of its divisors is an integer number (335351830).

Almost surely, 2^670703659 is an apocalyptic number.

670703659 is a deficient number, since it is larger than the sum of its proper divisors (1).

670703659 is an equidigital number, since it uses as much as digits as its factorization.

670703659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 670703659 is about 25897.9470035754. The cubic root of 670703659 is about 875.3402362291.

The spelling of 670703659 in words is "six hundred seventy million, seven hundred three thousand, six hundred fifty-nine".