2659129867 has 4 divisors (see below), whose sum is σ = 2683981656. Its totient is φ = 2634278080.

The previous prime is 2659129861. The next prime is 2659129871. The reversal of 2659129867 is 7689219562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2659129867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2659129861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12425734 + ... + 12425947.

It is an arithmetic number, because the mean of its divisors is an integer number (670995414).

Almost surely, 2^2659129867 is an apocalyptic number.

2659129867 is a deficient number, since it is larger than the sum of its proper divisors (24851789).

2659129867 is a wasteful number, since it uses less digits than its factorization.

2659129867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24851788.

The product of its digits is 3265920, while the sum is 55.

The square root of 2659129867 is about 51566.7515653255. The cubic root of 2659129867 is about 1385.4148847209.

The spelling of 2659129867 in words is "two billion, six hundred fifty-nine million, one hundred twenty-nine thousand, eight hundred sixty-seven".