2689789624832 has 30 divisors (see below), whose sum is σ = 5374399903389. Its totient is φ = 1344876257280.

The previous prime is 2689789624811. The next prime is 2689789624891. The reversal of 2689789624832 is 2384269879862.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 2638467440896 + 51322183936 = 1624336^2 + 226544^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1159696.

It is a super-2 number, since 2×2689789624832² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2689789624832.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 37074032 + ... + 37146512.

Almost surely, 2^{2689789624832} is an apocalyptic number.

It is an amenable number.

2689789624832 is a deficient number, since it is larger than the sum of its proper divisors (2684610278557).

2689789624832 is an frugal number, since it uses more digits than its factorization.

2689789624832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144980 (or 72483 counting only the distinct ones).

The product of its digits is 1003290624, while the sum is 74.

The spelling of 2689789624832 in words is "two trillion, six hundred eighty-nine billion, seven hundred eighty-nine million, six hundred twenty-four thousand, eight hundred thirty-two".