2689875693 has 12 divisors (see below), whose sum is σ = 3911454300. Its totient is φ = 1781214336.

The previous prime is 2689875689. The next prime is 2689875701. The reversal of 2689875693 is 3965789862.

2689875693 is a `hidden beast` number, since 2 + 68 + 9 + 8 + 7 + 569 + 3 = 666.

2689875693 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1523106729 + 1166768964 = 39027^2 + 34158^2 .

It is not a de Polignac number, because 2689875693 - 2² = 2689875689 is a prime.

It is a super-3 number, since 3×2689875693³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2689875693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689875613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1001596 + ... + 1004277.

It is an arithmetic number, because the mean of its divisors is an integer number (325954525).

Almost surely, 2^2689875693 is an apocalyptic number.

It is an amenable number.

2689875693 is a deficient number, since it is larger than the sum of its proper divisors (1221578607).

2689875693 is a wasteful number, since it uses less digits than its factorization.

2689875693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006028 (or 2006025 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The square root of 2689875693 is about 51864.0115397951. The cubic root of 2689875693 is about 1390.7339934152.

The spelling of 2689875693 in words is "two billion, six hundred eighty-nine million, eight hundred seventy-five thousand, six hundred ninety-three".