194311220359 has 2 divisors, whose sum is σ = 194311220360. Its totient is φ = 194311220358.

The previous prime is 194311220353. The next prime is 194311220381. The reversal of 194311220359 is 953022113491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194311220359 - 2³ = 194311220351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194311220351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97155610179 + 97155610180.

It is an arithmetic number, because the mean of its divisors is an integer number (97155610180).

Almost surely, 2^194311220359 is an apocalyptic number.

194311220359 is a deficient number, since it is larger than the sum of its proper divisors (1).

194311220359 is an equidigital number, since it uses as much as digits as its factorization.

194311220359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 194311220359 in words is "one hundred ninety-four billion, three hundred eleven million, two hundred twenty thousand, three hundred fifty-nine".