2689515361 has 16 divisors (see below), whose sum is σ = 3009807360. Its totient is φ = 2386198080.

The previous prime is 2689515359. The next prime is 2689515383. The reversal of 2689515361 is 1635159862.

2689515361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2689515361 - 2¹ = 2689515359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2689515761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68076 + ... + 100066.

It is an arithmetic number, because the mean of its divisors is an integer number (188112960).

Almost surely, 2^2689515361 is an apocalyptic number.

It is an amenable number.

2689515361 is a deficient number, since it is larger than the sum of its proper divisors (320291999).

2689515361 is a wasteful number, since it uses less digits than its factorization.

2689515361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32256.

The product of its digits is 388800, while the sum is 46.

The square root of 2689515361 is about 51860.5376080889. The cubic root of 2689515361 is about 1390.6718903793.

The spelling of 2689515361 in words is "two billion, six hundred eighty-nine million, five hundred fifteen thousand, three hundred sixty-one".