2689258580 has 12 divisors (see below), whose sum is σ = 5647443060. Its totient is φ = 1075703424.

The previous prime is 2689258567. The next prime is 2689258631. The reversal of 2689258580 is 858529862.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1126005136 + 1563253444 = 33556^2 + 39538^2 .

It is a super-2 number, since 2×2689258580² = 14464223420207232800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67231445 + ... + 67231484.

It is an arithmetic number, because the mean of its divisors is an integer number (470620255).

Almost surely, 2^2689258580 is an apocalyptic number.

2689258580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2689258580 is an abundant number, since it is smaller than the sum of its proper divisors (2958184480).

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

2689258580 is a wasteful number, since it uses less digits than its factorization.

2689258580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134462938 (or 134462936 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 53.

The square root of 2689258580 is about 51858.0618611996. The cubic root of 2689258580 is about 1390.6276309204.

The spelling of 2689258580 in words is "two billion, six hundred eighty-nine million, two hundred fifty-eight thousand, five hundred eighty".