192105649 has 2 divisors, whose sum is σ = 192105650. Its totient is φ = 192105648.

The previous prime is 192105631. The next prime is 192105659. The reversal of 192105649 is 946501291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104346225 + 87759424 = 10215^2 + 9368^2 .

It is a cyclic number.

It is not a de Polignac number, because 192105649 - 2¹⁹ = 191581361 is a prime.

It is a super-2 number, since 2×192105649² = 73809160755422402, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (192105659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96052824 + 96052825.

It is an arithmetic number, because the mean of its divisors is an integer number (96052825).

Almost surely, 2^192105649 is an apocalyptic number.

It is an amenable number.

192105649 is a deficient number, since it is larger than the sum of its proper divisors (1).

192105649 is an equidigital number, since it uses as much as digits as its factorization.

192105649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 192105649 is about 13860.2182161754. The cubic root of 192105649 is about 577.0056227657.

The spelling of 192105649 in words is "one hundred ninety-two million, one hundred five thousand, six hundred forty-nine".