2689651395 has 24 divisors (see below), whose sum is σ = 4864762656. Its totient is φ = 1372111488.

The previous prime is 2689651369. The next prime is 2689651453. The reversal of 2689651395 is 5931569862.

It is a happy number.

It is not a de Polignac number, because 2689651395 - 2⁶ = 2689651331 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1298314 + ... + 1300383.

It is an arithmetic number, because the mean of its divisors is an integer number (202698444).

Almost surely, 2^2689651395 is an apocalyptic number.

2689651395 is a deficient number, since it is larger than the sum of its proper divisors (2175111261).

2689651395 is a wasteful number, since it uses less digits than its factorization.

2689651395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598731 (or 2598728 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 54.

The square root of 2689651395 is about 51861.8491282368. The cubic root of 2689651395 is about 1390.6953364214.

The spelling of 2689651395 in words is "two billion, six hundred eighty-nine million, six hundred fifty-one thousand, three hundred ninety-five".