2201043491 has 2 divisors, whose sum is σ = 2201043492. Its totient is φ = 2201043490.

The previous prime is 2201043487. The next prime is 2201043503. The reversal of 2201043491 is 1943401022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2201043491 - 2² = 2201043487 is a prime.

It is a super-3 number, since 3×2201043491³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2201043491.

It is not a weakly prime, because it can be changed into another prime (2201043191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100521745 + 1100521746.

It is an arithmetic number, because the mean of its divisors is an integer number (1100521746).

Almost surely, 2^2201043491 is an apocalyptic number.

2201043491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201043491 is an equidigital number, since it uses as much as digits as its factorization.

2201043491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2201043491 is about 46915.2799309564. The cubic root of 2201043491 is about 1300.7970439655.

The spelling of 2201043491 in words is "two billion, two hundred one million, forty-three thousand, four hundred ninety-one".