2689591629 has 4 divisors (see below), whose sum is σ = 3586122176. Its totient is φ = 1793061084.

The previous prime is 2689591621. The next prime is 2689591637. The reversal of 2689591629 is 9261959862.

2689591629 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 is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2689591621) and next prime (2689591637).

It is not a de Polignac number, because 2689591629 - 2³ = 2689591621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689591621) 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, 448265269 + ... + 448265274.

It is an arithmetic number, because the mean of its divisors is an integer number (896530544).

Almost surely, 2^2689591629 is an apocalyptic number.

It is an amenable number.

2689591629 is a deficient number, since it is larger than the sum of its proper divisors (896530547).

2689591629 is an equidigital number, since it uses as much as digits as its factorization.

2689591629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896530546.

The product of its digits is 4199040, while the sum is 57.

The square root of 2689591629 is about 51861.2729211307. The cubic root of 2689591629 is about 1390.6850355929.

The spelling of 2689591629 in words is "two billion, six hundred eighty-nine million, five hundred ninety-one thousand, six hundred twenty-nine".