2389131563 has 48 divisors (see below), whose sum is σ = 3113923680. Its totient is φ = 1814690304.

The previous prime is 2389131523. The next prime is 2389131671. The reversal of 2389131563 is 3651319832.

It is a happy number.

It is not a de Polignac number, because 2389131563 - 2¹⁰ = 2389130539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2389131563.

It is not an unprimeable number, because it can be changed into a prime (2389131523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5227631 + ... + 5228087.

It is an arithmetic number, because the mean of its divisors is an integer number (64873410).

Almost surely, 2^2389131563 is an apocalyptic number.

2389131563 is a deficient number, since it is larger than the sum of its proper divisors (724792117).

2389131563 is a wasteful number, since it uses less digits than its factorization.

2389131563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 789 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 2389131563 is about 48878.7434678921. The cubic root of 2389131563 is about 1336.8418167618.

The spelling of 2389131563 in words is "two billion, three hundred eighty-nine million, one hundred thirty-one thousand, five hundred sixty-three".