5649785429 has 2 divisors, whose sum is σ = 5649785430. Its totient is φ = 5649785428.

The previous prime is 5649785417. The next prime is 5649785443. The reversal of 5649785429 is 9245879465.

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., 3457204804 + 2192580625 = 58798^2 + 46825^2 .

It is a cyclic number.

It is not a de Polignac number, because 5649785429 - 2⁸ = 5649785173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5649785459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2824892714 + 2824892715.

It is an arithmetic number, because the mean of its divisors is an integer number (2824892715).

Almost surely, 2^5649785429 is an apocalyptic number.

It is an amenable number.

5649785429 is a deficient number, since it is larger than the sum of its proper divisors (1).

5649785429 is an equidigital number, since it uses as much as digits as its factorization.

5649785429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21772800, while the sum is 59.

The square root of 5649785429 is about 75165.0545732523. The cubic root of 5649785429 is about 1781.0549472780.

The spelling of 5649785429 in words is "five billion, six hundred forty-nine million, seven hundred eighty-five thousand, four hundred twenty-nine".