2843451040849 has 4 divisors (see below), whose sum is σ = 2843454866740. Its totient is φ = 2843447214960.

The previous prime is 2843451040763. The next prime is 2843451040891. The reversal of 2843451040849 is 9480401543482.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 845906951824 + 1997544089025 = 919732^2 + 1413345^2 .

It is a cyclic number.

It is not a de Polignac number, because 2843451040849 - 2⁷ = 2843451040721 is a prime.

It is a super-2 number, since 2×2843451040849² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2843451040796 and 2843451040805.

It is not an unprimeable number, because it can be changed into a prime (2843451049849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398442 + ... + 2417779.

It is an arithmetic number, because the mean of its divisors is an integer number (710863716685).

Almost surely, 2^{2843451040849} is an apocalyptic number.

It is an amenable number.

2843451040849 is a deficient number, since it is larger than the sum of its proper divisors (3825891).

2843451040849 is a wasteful number, since it uses less digits than its factorization.

2843451040849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825890.

The product of its (nonzero) digits is 4423680, while the sum is 52.

The spelling of 2843451040849 in words is "two trillion, eight hundred forty-three billion, four hundred fifty-one million, forty thousand, eight hundred forty-nine".