3996043087429 has 2 divisors, whose sum is σ = 3996043087430. Its totient is φ = 3996043087428.

The previous prime is 3996043087417. The next prime is 3996043087483. The reversal of 3996043087429 is 9247803406993.

It is a happy number.

3996043087429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3411139343329 + 584903744100 = 1846927^2 + 764790^2 .

It is a cyclic number.

It is not a de Polignac number, because 3996043087429 - 2⁷ = 3996043087301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3996043087489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1998021543714 + 1998021543715.

It is an arithmetic number, because the mean of its divisors is an integer number (1998021543715).

Almost surely, 2^{3996043087429} is an apocalyptic number.

It is an amenable number.

3996043087429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3996043087429 is an equidigital number, since it uses as much as digits as its factorization.

3996043087429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70543872, while the sum is 64.

The spelling of 3996043087429 in words is "three trillion, nine hundred ninety-six billion, forty-three million, eighty-seven thousand, four hundred twenty-nine".