4056447539 has 2 divisors, whose sum is σ = 4056447540. Its totient is φ = 4056447538.

The previous prime is 4056447533. The next prime is 4056447553. The reversal of 4056447539 is 9357446504.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4056447539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4056447493 and 4056447502.

It is not a weakly prime, because it can be changed into another prime (4056447533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2028223769 + 2028223770.

It is an arithmetic number, because the mean of its divisors is an integer number (2028223770).

Almost surely, 2^4056447539 is an apocalyptic number.

4056447539 is a deficient number, since it is larger than the sum of its proper divisors (1).

4056447539 is an equidigital number, since it uses as much as digits as its factorization.

4056447539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The square root of 4056447539 is about 63690.2468122082. The cubic root of 4056447539 is about 1594.8332735190.

The spelling of 4056447539 in words is "four billion, fifty-six million, four hundred forty-seven thousand, five hundred thirty-nine".