194882500693 has 2 divisors, whose sum is σ = 194882500694. Its totient is φ = 194882500692.

The previous prime is 194882500679. The next prime is 194882500793. The reversal of 194882500693 is 396005288491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99718271524 + 95164229169 = 315782^2 + 308487^2 .

It is a cyclic number.

It is not a de Polignac number, because 194882500693 - 2²⁹ = 194345629781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194882500793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97441250346 + 97441250347.

It is an arithmetic number, because the mean of its divisors is an integer number (97441250347).

Almost surely, 2^194882500693 is an apocalyptic number.

It is an amenable number.

194882500693 is a deficient number, since it is larger than the sum of its proper divisors (1).

194882500693 is an equidigital number, since it uses as much as digits as its factorization.

194882500693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 194882500693 in words is "one hundred ninety-four billion, eight hundred eighty-two million, five hundred thousand, six hundred ninety-three".