2689440258159 has 24 divisors (see below), whose sum is σ = 4116587052240. Its totient is φ = 1686127627008.

The previous prime is 2689440258121. The next prime is 2689440258173. The reversal of 2689440258159 is 9518520449862.

2689440258159 is a `hidden beast` number, since 2 + 6 + 8 + 9 + 4 + 40 + 2 + 581 + 5 + 9 = 666.

2689440258159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2689440258159 - 2²⁴ = 2689423480943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2689440258096 and 2689440258105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689440278159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6915849 + ... + 7294370.

It is an arithmetic number, because the mean of its divisors is an integer number (171524460510).

Almost surely, 2^{2689440258159} is an apocalyptic number.

2689440258159 is a deficient number, since it is larger than the sum of its proper divisors (1427146794081).

2689440258159 is a wasteful number, since it uses less digits than its factorization.

2689440258159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14211479 (or 14211476 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 63.

The spelling of 2689440258159 in words is "two trillion, six hundred eighty-nine billion, four hundred forty million, two hundred fifty-eight thousand, one hundred fifty-nine".