670690199 has 2 divisors, whose sum is σ = 670690200. Its totient is φ = 670690198.

The previous prime is 670690193. The next prime is 670690217. The reversal of 670690199 is 991096076.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670690199 - 2⁴ = 670690183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670690193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335345099 + 335345100.

It is an arithmetic number, because the mean of its divisors is an integer number (335345100).

Almost surely, 2^670690199 is an apocalyptic number.

670690199 is a deficient number, since it is larger than the sum of its proper divisors (1).

670690199 is an equidigital number, since it uses as much as digits as its factorization.

670690199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 670690199 is about 25897.6871361131. The cubic root of 670690199 is about 875.3343806086.

The spelling of 670690199 in words is "six hundred seventy million, six hundred ninety thousand, one hundred ninety-nine".