195914911 has 2 divisors, whose sum is σ = 195914912. Its totient is φ = 195914910.

The previous prime is 195914867. The next prime is 195914921. The reversal of 195914911 is 119419591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 195914911 - 2¹³ = 195906719 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195914921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97957455 + 97957456.

It is an arithmetic number, because the mean of its divisors is an integer number (97957456).

Almost surely, 2^195914911 is an apocalyptic number.

195914911 is a deficient number, since it is larger than the sum of its proper divisors (1).

195914911 is an equidigital number, since it uses as much as digits as its factorization.

195914911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 40.

The square root of 195914911 is about 13996.9607772545. The cubic root of 195914911 is about 580.7945027252.

The spelling of 195914911 in words is "one hundred ninety-five million, nine hundred fourteen thousand, nine hundred eleven".