670348219 has 2 divisors, whose sum is σ = 670348220. Its totient is φ = 670348218.

The previous prime is 670348213. The next prime is 670348241. The reversal of 670348219 is 912843076.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670348219 is a prime.

It is a super-2 number, since 2×670348219² = 898733469432943922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (670348213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335174109 + 335174110.

It is an arithmetic number, because the mean of its divisors is an integer number (335174110).

Almost surely, 2^670348219 is an apocalyptic number.

670348219 is a deficient number, since it is larger than the sum of its proper divisors (1).

670348219 is an equidigital number, since it uses as much as digits as its factorization.

670348219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 670348219 is about 25891.0837741490. The cubic root of 670348219 is about 875.1855797938.

The spelling of 670348219 in words is "six hundred seventy million, three hundred forty-eight thousand, two hundred nineteen".