194697440603 has 2 divisors, whose sum is σ = 194697440604. Its totient is φ = 194697440602.

The previous prime is 194697440549. The next prime is 194697440611. The reversal of 194697440603 is 306044796491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 194697440603 - 2⁸ = 194697440347 is a prime.

It is not a weakly prime, because it can be changed into another prime (194697440633) 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, 97348720301 + 97348720302.

It is an arithmetic number, because the mean of its divisors is an integer number (97348720302).

Almost surely, 2^194697440603 is an apocalyptic number.

194697440603 is a deficient number, since it is larger than the sum of its proper divisors (1).

194697440603 is an equidigital number, since it uses as much as digits as its factorization.

194697440603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 194697440603 in words is "one hundred ninety-four billion, six hundred ninety-seven million, four hundred forty thousand, six hundred three".