391346066107 has 2 divisors, whose sum is σ = 391346066108. Its totient is φ = 391346066106.

The previous prime is 391346066101. The next prime is 391346066129. The reversal of 391346066107 is 701660643193.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 391346066107 - 2¹⁵ = 391346033339 is a prime.

It is not a weakly prime, because it can be changed into another prime (391346066101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195673033053 + 195673033054.

It is an arithmetic number, because the mean of its divisors is an integer number (195673033054).

Almost surely, 2^391346066107 is an apocalyptic number.

391346066107 is a deficient number, since it is larger than the sum of its proper divisors (1).

391346066107 is an equidigital number, since it uses as much as digits as its factorization.

391346066107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 391346066107 in words is "three hundred ninety-one billion, three hundred forty-six million, sixty-six thousand, one hundred seven".