2689234420 has 24 divisors (see below), whose sum is σ = 5979592584. Its totient is φ = 1012417536.

The previous prime is 2689234367. The next prime is 2689234421. The reversal of 2689234420 is 244329862.

It can be written as a sum of positive squares in 4 ways, for example, as 1400855184 + 1288379236 = 37428^2 + 35894^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689234421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3954417 + ... + 3955096.

It is an arithmetic number, because the mean of its divisors is an integer number (249149691).

Almost surely, 2^2689234420 is an apocalyptic number.

2689234420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2689234420 is an abundant number, since it is smaller than the sum of its proper divisors (3290358164).

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

2689234420 is a wasteful number, since it uses less digits than its factorization.

2689234420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7909539 (or 7909537 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 2689234420 is about 51857.8289171462. The cubic root of 2689234420 is about 1390.6234664933.

The spelling of 2689234420 in words is "two billion, six hundred eighty-nine million, two hundred thirty-four thousand, four hundred twenty".