2689312629 has 8 divisors (see below), whose sum is σ = 3587340960. Its totient is φ = 1792079696.

The previous prime is 2689312609. The next prime is 2689312679. The reversal of 2689312629 is 9262139862.

It is a happy number.

2689312629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2689312629 - 2⁵ = 2689312597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689312609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190914 + ... + 204515.

It is an arithmetic number, because the mean of its divisors is an integer number (448417620).

Almost surely, 2^2689312629 is an apocalyptic number.

It is an amenable number.

2689312629 is a deficient number, since it is larger than the sum of its proper divisors (898028331).

2689312629 is a wasteful number, since it uses less digits than its factorization.

2689312629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397699.

The product of its digits is 559872, while the sum is 48.

The square root of 2689312629 is about 51858.5829829547. The cubic root of 2689312629 is about 1390.6369471845.

The spelling of 2689312629 in words is "two billion, six hundred eighty-nine million, three hundred twelve thousand, six hundred twenty-nine".