4043142497 has 2 divisors, whose sum is σ = 4043142498. Its totient is φ = 4043142496.

The previous prime is 4043142491. The next prime is 4043142529. The reversal of 4043142497 is 7942413404.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2440261201 + 1602881296 = 49399^2 + 40036^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4043142497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4043142497.

It is not a weakly prime, because it can be changed into another prime (4043142491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021571248 + 2021571249.

It is an arithmetic number, because the mean of its divisors is an integer number (2021571249).

Almost surely, 2^4043142497 is an apocalyptic number.

It is an amenable number.

4043142497 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043142497 is an equidigital number, since it uses as much as digits as its factorization.

4043142497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 4043142497 is about 63585.7098489904. The cubic root of 4043142497 is about 1593.0876931428.

It can be divided in two parts, 40431 and 42497, that added together give a palindrome (82928).

The spelling of 4043142497 in words is "four billion, forty-three million, one hundred forty-two thousand, four hundred ninety-seven".