2389716788 has 12 divisors (see below), whose sum is σ = 4260910500. Its totient is φ = 1172313792.

The previous prime is 2389716781. The next prime is 2389716799. The reversal of 2389716788 is 8876179832.

It can be written as a sum of positive squares in 2 ways, for example, as 1960895524 + 428821264 = 44282^2 + 20708^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389716781) 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, 5635913 + ... + 5636336.

It is an arithmetic number, because the mean of its divisors is an integer number (355075875).

Almost surely, 2^2389716788 is an apocalyptic number.

It is an amenable number.

2389716788 is a deficient number, since it is larger than the sum of its proper divisors (1871193712).

2389716788 is a wasteful number, since it uses less digits than its factorization.

2389716788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11272306 (or 11272304 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 59.

The square root of 2389716788 is about 48884.7295993340. The cubic root of 2389716788 is about 1336.9509623321.

The spelling of 2389716788 in words is "two billion, three hundred eighty-nine million, seven hundred sixteen thousand, seven hundred eighty-eight".