2382907806889 has 9 divisors (see below), whose sum is σ = 2389798493463. Its totient is φ = 2376036945072.

The previous prime is 2382907806847. The next prime is 2382907806947. The reversal of 2382907806889 is 9886087092832.

The square root of 2382907806889 is 1543667.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 256000581225 + 2126907225664 = 505965^2 + 1458392^2 .

It is not a de Polignac number, because 2382907806889 - 2¹⁹ = 2382907282601 is a prime.

It is a super-2 number, since 2×2382907806889² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2382907816889) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 585047757 + ... + 585051829.

Almost surely, 2^{2382907806889} is an apocalyptic number.

2382907806889 is the 1543667-th square number.

2382907806889 is the 771834-th centered octagonal number.

It is an amenable number.

2382907806889 is a deficient number, since it is larger than the sum of its proper divisors (6890686574).

2382907806889 is an frugal number, since it uses more digits than its factorization.

2382907806889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8904 (or 4452 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 70.

It can be divided in two parts, 2382907 and 806889, that added together give a square (3189796 = 1786²).

The spelling of 2382907806889 in words is "two trillion, three hundred eighty-two billion, nine hundred seven million, eight hundred six thousand, eight hundred eighty-nine".