4489991059 has 2 divisors, whose sum is σ = 4489991060. Its totient is φ = 4489991058.

The previous prime is 4489991039. The next prime is 4489991063. The reversal of 4489991059 is 9501999844.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4489991059 - 2⁵ = 4489991027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4489990994 and 4489991012.

It is not a weakly prime, because it can be changed into another prime (4489991039) 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, 2244995529 + 2244995530.

It is an arithmetic number, because the mean of its divisors is an integer number (2244995530).

Almost surely, 2^4489991059 is an apocalyptic number.

4489991059 is a deficient number, since it is larger than the sum of its proper divisors (1).

4489991059 is an equidigital number, since it uses as much as digits as its factorization.

4489991059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 58.

The square root of 4489991059 is about 67007.3955545207. The cubic root of 4489991059 is about 1649.7386863799.

The spelling of 4489991059 in words is "four billion, four hundred eighty-nine million, nine hundred ninety-one thousand, fifty-nine".