4503944857 has 2 divisors, whose sum is σ = 4503944858. Its totient is φ = 4503944856.

The previous prime is 4503944849. The next prime is 4503944873. The reversal of 4503944857 is 7584493054.

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., 3237723801 + 1266221056 = 56901^2 + 35584^2 .

It is a cyclic number.

It is not a de Polignac number, because 4503944857 - 2³ = 4503944849 is a prime.

It is a super-4 number, since 4×4503944857⁴ (a number of 40 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4503944857.

It is not a weakly prime, because it can be changed into another prime (4503942857) 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, 2251972428 + 2251972429.

It is an arithmetic number, because the mean of its divisors is an integer number (2251972429).

Almost surely, 2^4503944857 is an apocalyptic number.

It is an amenable number.

4503944857 is a deficient number, since it is larger than the sum of its proper divisors (1).

4503944857 is an equidigital number, since it uses as much as digits as its factorization.

4503944857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The square root of 4503944857 is about 67111.4361118878. The cubic root of 4503944857 is about 1651.4459143152.

The spelling of 4503944857 in words is "four billion, five hundred three million, nine hundred forty-four thousand, eight hundred fifty-seven".