4787999989 has 2 divisors, whose sum is σ = 4787999990. Its totient is φ = 4787999988.

The previous prime is 4787999929. The next prime is 4788000043. The reversal of 4787999989 is 9899997874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4577604964 + 210395025 = 67658^2 + 14505^2 .

It is a cyclic number.

It is not a de Polignac number, because 4787999989 - 2¹¹ = 4787997941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4787999929) 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, 2393999994 + 2393999995.

It is an arithmetic number, because the mean of its divisors is an integer number (2393999995).

Almost surely, 2^4787999989 is an apocalyptic number.

It is an amenable number.

4787999989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4787999989 is an equidigital number, since it uses as much as digits as its factorization.

4787999989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 740710656, while the sum is 79.

The square root of 4787999989 is about 69195.3754885397. The cubic root of 4787999989 is about 1685.4584351400.

The spelling of 4787999989 in words is "four billion, seven hundred eighty-seven million, nine hundred ninety-nine thousand, nine hundred eighty-nine".