2043243441 has 16 divisors (see below), whose sum is σ = 3029305920. Its totient is φ = 1361136960.

The previous prime is 2043243409. The next prime is 2043243443. The reversal of 2043243441 is 1443423402.

It is a happy number.

It is not a de Polignac number, because 2043243441 - 2⁵ = 2043243409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2043243443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8946 + ... + 64548.

It is an arithmetic number, because the mean of its divisors is an integer number (189331620).

Almost surely, 2^2043243441 is an apocalyptic number.

It is an amenable number.

2043243441 is a deficient number, since it is larger than the sum of its proper divisors (986062479).

2043243441 is a wasteful number, since it uses less digits than its factorization.

2043243441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56973 (or 56967 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 2043243441 is about 45202.2503975189. The cubic root of 2043243441 is about 1268.9369327453.

Adding to 2043243441 its reverse (1443423402), we get a palindrome (3486666843).

The spelling of 2043243441 in words is "two billion, forty-three million, two hundred forty-three thousand, four hundred forty-one".