4043043551 has 2 divisors, whose sum is σ = 4043043552. Its totient is φ = 4043043550.

The previous prime is 4043043533. The next prime is 4043043553. The reversal of 4043043551 is 1553403404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4043043551 - 2¹⁴ = 4043027167 is a prime.

Together with 4043043553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4043043553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021521775 + 2021521776.

It is an arithmetic number, because the mean of its divisors is an integer number (2021521776).

Almost surely, 2^4043043551 is an apocalyptic number.

4043043551 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043043551 is an equidigital number, since it uses as much as digits as its factorization.

4043043551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 4043043551 is about 63584.9317920527. The cubic root of 4043043551 is about 1593.0746973983.

Adding to 4043043551 its reverse (1553403404), we get a palindrome (5596446955).

The spelling of 4043043551 in words is "four billion, forty-three million, forty-three thousand, five hundred fifty-one".