4519317889 has 2 divisors, whose sum is σ = 4519317890. Its totient is φ = 4519317888.

The previous prime is 4519317883. The next prime is 4519317911. The reversal of 4519317889 is 9887139154.

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., 3691777600 + 827540289 = 60760^2 + 28767^2 .

It is a cyclic number.

It is not a de Polignac number, because 4519317889 - 2¹¹ = 4519315841 is a prime.

It is not a weakly prime, because it can be changed into another prime (4519317883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2259658944 + 2259658945.

It is an arithmetic number, because the mean of its divisors is an integer number (2259658945).

Almost surely, 2^4519317889 is an apocalyptic number.

It is an amenable number.

4519317889 is a deficient number, since it is larger than the sum of its proper divisors (1).

4519317889 is an equidigital number, since it uses as much as digits as its factorization.

4519317889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 55.

The square root of 4519317889 is about 67225.8721698722. The cubic root of 4519317889 is about 1653.3227061468.

The spelling of 4519317889 in words is "four billion, five hundred nineteen million, three hundred seventeen thousand, eight hundred eighty-nine".