394606448039 has 2 divisors, whose sum is σ = 394606448040. Its totient is φ = 394606448038.

The previous prime is 394606448021. The next prime is 394606448057. The reversal of 394606448039 is 930844606493.

It is a balanced prime because it is at equal distance from previous prime (394606448021) and next prime (394606448057).

It is a cyclic number.

It is not a de Polignac number, because 394606448039 - 2¹² = 394606443943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (394606448099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197303224019 + 197303224020.

It is an arithmetic number, because the mean of its divisors is an integer number (197303224020).

Almost surely, 2^394606448039 is an apocalyptic number.

394606448039 is a deficient number, since it is larger than the sum of its proper divisors (1).

394606448039 is an equidigital number, since it uses as much as digits as its factorization.

394606448039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13436928, while the sum is 56.

The spelling of 394606448039 in words is "three hundred ninety-four billion, six hundred six million, four hundred forty-eight thousand, thirty-nine".