4043043413 has 2 divisors, whose sum is σ = 4043043414. Its totient is φ = 4043043412.

The previous prime is 4043043409. The next prime is 4043043443. The reversal of 4043043413 is 3143403404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2560562404 + 1482481009 = 50602^2 + 38503^2 .

It is a cyclic number.

It is not a de Polignac number, because 4043043413 - 2² = 4043043409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4043043443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021521706 + 2021521707.

It is an arithmetic number, because the mean of its divisors is an integer number (2021521707).

Almost surely, 2^4043043413 is an apocalyptic number.

It is an amenable number.

4043043413 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043043413 is an equidigital number, since it uses as much as digits as its factorization.

4043043413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 4043043413 is about 63584.9307068900. The cubic root of 4043043413 is about 1593.0746792730.

Adding to 4043043413 its reverse (3143403404), we get a palindrome (7186446817).

The spelling of 4043043413 in words is "four billion, forty-three million, forty-three thousand, four hundred thirteen".