2522931689 has 4 divisors (see below), whose sum is σ = 2533759956. Its totient is φ = 2512103424.

The previous prime is 2522931673. The next prime is 2522931721. The reversal of 2522931689 is 9861392252.

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 701349289 + 1821582400 = 26483^2 + 42680^2 .

It is a cyclic number.

It is not a de Polignac number, because 2522931689 - 2⁴ = 2522931673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2522931629) 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, 5413784 + ... + 5414249.

It is an arithmetic number, because the mean of its divisors is an integer number (633439989).

Almost surely, 2^2522931689 is an apocalyptic number.

It is an amenable number.

2522931689 is a deficient number, since it is larger than the sum of its proper divisors (10828267).

2522931689 is a wasteful number, since it uses less digits than its factorization.

2522931689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10828266.

The product of its digits is 466560, while the sum is 47.

The square root of 2522931689 is about 50228.7934256836. The cubic root of 2522931689 is about 1361.3459298463.

The spelling of 2522931689 in words is "two billion, five hundred twenty-two million, nine hundred thirty-one thousand, six hundred eighty-nine".