4442960857 has 2 divisors, whose sum is σ = 4442960858. Its totient is φ = 4442960856.

The previous prime is 4442960843. The next prime is 4442960887. The reversal of 4442960857 is 7580692444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2406785481 + 2036175376 = 49059^2 + 45124^2 .

It is a cyclic number.

It is not a de Polignac number, because 4442960857 - 2⁷ = 4442960729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4442960857.

It is not a weakly prime, because it can be changed into another prime (4442960887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221480428 + 2221480429.

It is an arithmetic number, because the mean of its divisors is an integer number (2221480429).

Almost surely, 2^4442960857 is an apocalyptic number.

It is an amenable number.

4442960857 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442960857 is an equidigital number, since it uses as much as digits as its factorization.

4442960857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The square root of 4442960857 is about 66655.5388321181. The cubic root of 4442960857 is about 1643.9584204640.

The spelling of 4442960857 in words is "four billion, four hundred forty-two million, nine hundred sixty thousand, eight hundred fifty-seven".