840198530267 has 2 divisors, whose sum is σ = 840198530268. Its totient is φ = 840198530266.

The previous prime is 840198530243. The next prime is 840198530279. The reversal of 840198530267 is 762035891048.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 840198530267 - 2⁶ = 840198530203 is a prime.

It is not a weakly prime, because it can be changed into another prime (840195530267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420099265133 + 420099265134.

It is an arithmetic number, because the mean of its divisors is an integer number (420099265134).

It is a 1-persistent number, because it is pandigital, but 2⋅840198530267 = 1680397060534 is not.

Almost surely, 2^840198530267 is an apocalyptic number.

840198530267 is a deficient number, since it is larger than the sum of its proper divisors (1).

840198530267 is an equidigital number, since it uses as much as digits as its factorization.

840198530267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 840198530267 in words is "eight hundred forty billion, one hundred ninety-eight million, five hundred thirty thousand, two hundred sixty-seven".