4993611589 has 4 divisors (see below), whose sum is σ = 5037802956. Its totient is φ = 4949420224.

The previous prime is 4993611563. The next prime is 4993611593. The reversal of 4993611589 is 9851163994.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1080108225 + 3913503364 = 32865^2 + 62558^2 .

It is a cyclic number.

It is not a de Polignac number, because 4993611589 - 2⁷ = 4993611461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4993617589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22095514 + ... + 22095739.

It is an arithmetic number, because the mean of its divisors is an integer number (1259450739).

Almost surely, 2^4993611589 is an apocalyptic number.

It is an amenable number.

4993611589 is a deficient number, since it is larger than the sum of its proper divisors (44191367).

4993611589 is a wasteful number, since it uses less digits than its factorization.

4993611589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44191366.

The product of its digits is 2099520, while the sum is 55.

The square root of 4993611589 is about 70665.4907928898. The cubic root of 4993611589 is about 1709.2473676812.

The spelling of 4993611589 in words is "four billion, nine hundred ninety-three million, six hundred eleven thousand, five hundred eighty-nine".