670397219111 has 2 divisors, whose sum is σ = 670397219112. Its totient is φ = 670397219110.

The previous prime is 670397219069. The next prime is 670397219113. The reversal of 670397219111 is 111912793076.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670397219111 - 2¹⁸ = 670396956967 is a prime.

Together with 670397219113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670397219113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335198609555 + 335198609556.

It is an arithmetic number, because the mean of its divisors is an integer number (335198609556).

Almost surely, 2^670397219111 is an apocalyptic number.

670397219111 is a deficient number, since it is larger than the sum of its proper divisors (1).

670397219111 is an equidigital number, since it uses as much as digits as its factorization.

670397219111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 47.

The spelling of 670397219111 in words is "six hundred seventy billion, three hundred ninety-seven million, two hundred nineteen thousand, one hundred eleven".