4034043243 has 28 divisors (see below), whose sum is σ = 6054188208. Its totient is φ = 2686744080.

The previous prime is 4034043179. The next prime is 4034043257. The reversal of 4034043243 is 3423404304.

4034043243 is a `hidden beast` number, since 40 + 340 + 43 + 243 = 666.

It is not a de Polignac number, because 4034043243 - 2⁶ = 4034043179 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 (4034043043) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1004746 + ... + 1008752.

Almost surely, 2^4034043243 is an apocalyptic number.

4034043243 is a deficient number, since it is larger than the sum of its proper divisors (2020144965).

4034043243 is an equidigital number, since it uses as much as digits as its factorization.

4034043243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5406 (or 5391 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 4034043243 is about 63514.1184540886. The cubic root of 4034043243 is about 1591.8916929414.

Adding to 4034043243 its reverse (3423404304), we get a palindrome (7457447547).

The spelling of 4034043243 in words is "four billion, thirty-four million, forty-three thousand, two hundred forty-three".