195842863 has 2 divisors, whose sum is σ = 195842864. Its totient is φ = 195842862.

The previous prime is 195842831. The next prime is 195842891. The reversal of 195842863 is 368248591.

It is a strong prime.

It is an emirp because it is prime and its reverse (368248591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 195842863 - 2⁵ = 195842831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195842893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97921431 + 97921432.

It is an arithmetic number, because the mean of its divisors is an integer number (97921432).

Almost surely, 2^195842863 is an apocalyptic number.

195842863 is a deficient number, since it is larger than the sum of its proper divisors (1).

195842863 is an equidigital number, since it uses as much as digits as its factorization.

195842863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 46.

The square root of 195842863 is about 13994.3868390151. The cubic root of 195842863 is about 580.7232979818.

The spelling of 195842863 in words is "one hundred ninety-five million, eight hundred forty-two thousand, eight hundred sixty-three".