394149326371 has 2 divisors, whose sum is σ = 394149326372. Its totient is φ = 394149326370.

The previous prime is 394149326339. The next prime is 394149326419. The reversal of 394149326371 is 173623941493.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 394149326371 - 2⁵ = 394149326339 is a prime.

It is not a weakly prime, because it can be changed into another prime (394149726371) 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, 197074663185 + 197074663186.

It is an arithmetic number, because the mean of its divisors is an integer number (197074663186).

Almost surely, 2^394149326371 is an apocalyptic number.

394149326371 is a deficient number, since it is larger than the sum of its proper divisors (1).

394149326371 is an equidigital number, since it uses as much as digits as its factorization.

394149326371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 52.

The spelling of 394149326371 in words is "three hundred ninety-four billion, one hundred forty-nine million, three hundred twenty-six thousand, three hundred seventy-one".