843032943491 has 2 divisors, whose sum is σ = 843032943492. Its totient is φ = 843032943490.

The previous prime is 843032943479. The next prime is 843032943523. The reversal of 843032943491 is 194349230348.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 843032943491 - 2²² = 843028749187 is a prime.

It is a super-2 number, since 2×843032943491² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (843032943421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421516471745 + 421516471746.

It is an arithmetic number, because the mean of its divisors is an integer number (421516471746).

Almost surely, 2^843032943491 is an apocalyptic number.

843032943491 is a deficient number, since it is larger than the sum of its proper divisors (1).

843032943491 is an equidigital number, since it uses as much as digits as its factorization.

843032943491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 843032943491 in words is "eight hundred forty-three billion, thirty-two million, nine hundred forty-three thousand, four hundred ninety-one".