195733493 has 2 divisors, whose sum is σ = 195733494. Its totient is φ = 195733492.

The previous prime is 195733471. The next prime is 195733511. The reversal of 195733493 is 394337591.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195496324 + 237169 = 13982^2 + 487^2 .

It is a cyclic number.

It is not a de Polignac number, because 195733493 - 2¹² = 195729397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195733423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97866746 + 97866747.

It is an arithmetic number, because the mean of its divisors is an integer number (97866747).

Almost surely, 2^195733493 is an apocalyptic number.

It is an amenable number.

195733493 is a deficient number, since it is larger than the sum of its proper divisors (1).

195733493 is an equidigital number, since it uses as much as digits as its factorization.

195733493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 44.

The square root of 195733493 is about 13990.4786551426. The cubic root of 195733493 is about 580.6151746748.

The spelling of 195733493 in words is "one hundred ninety-five million, seven hundred thirty-three thousand, four hundred ninety-three".