192494191 has 2 divisors, whose sum is σ = 192494192. Its totient is φ = 192494190.

The previous prime is 192494119. The next prime is 192494201. The reversal of 192494191 is 191494291.

Together with previous prime (192494119) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 192494191 - 2¹³ = 192485999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (192494591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96247095 + 96247096.

It is an arithmetic number, because the mean of its divisors is an integer number (96247096).

Almost surely, 2^192494191 is an apocalyptic number.

192494191 is a deficient number, since it is larger than the sum of its proper divisors (1).

192494191 is an equidigital number, since it uses as much as digits as its factorization.

192494191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 40.

The square root of 192494191 is about 13874.2275821034. The cubic root of 192494191 is about 577.3943670915.

The spelling of 192494191 in words is "one hundred ninety-two million, four hundred ninety-four thousand, one hundred ninety-one".