193113449 has 2 divisors, whose sum is σ = 193113450. Its totient is φ = 193113448.

The previous prime is 193113439. The next prime is 193113457. The reversal of 193113449 is 944311391.

193113449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186186025 + 6927424 = 13645^2 + 2632^2 .

It is a cyclic number.

It is not a de Polignac number, because 193113449 - 2⁴ = 193113433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (193113439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96556724 + 96556725.

It is an arithmetic number, because the mean of its divisors is an integer number (96556725).

Almost surely, 2^193113449 is an apocalyptic number.

It is an amenable number.

193113449 is a deficient number, since it is larger than the sum of its proper divisors (1).

193113449 is an equidigital number, since it uses as much as digits as its factorization.

193113449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 35.

The square root of 193113449 is about 13896.5265084481. The cubic root of 193113449 is about 578.0128677347.

The spelling of 193113449 in words is "one hundred ninety-three million, one hundred thirteen thousand, four hundred forty-nine".