2689231122 has 54 divisors (see below), whose sum is σ = 6198194613. Its totient is φ = 842506944.

The previous prime is 2689231109. The next prime is 2689231147. The reversal of 2689231122 is 2211329862.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2461251321 + 227979801 = 49611^2 + 15099^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=36669.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3739879 + ... + 3740597.

Almost surely, 2^2689231122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2689231122

2689231122 is an abundant number, since it is smaller than the sum of its proper divisors (3508963491).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2689231122 is an equidigital number, since it uses as much as digits as its factorization.

2689231122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480 (or 741 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 2689231122 is about 51857.7971186590. The cubic root of 2689231122 is about 1390.6228980195.

The spelling of 2689231122 in words is "two billion, six hundred eighty-nine million, two hundred thirty-one thousand, one hundred twenty-two".