2605682634 has 8 divisors (see below), whose sum is σ = 5211365280. Its totient is φ = 868560876.

The previous prime is 2605682593. The next prime is 2605682687. The reversal of 2605682634 is 4362865062.

It is a happy number.

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

2605682634 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217140214 + ... + 217140225.

It is an arithmetic number, because the mean of its divisors is an integer number (651420660).

Almost surely, 2^2605682634 is an apocalyptic number.

2605682634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2605682634 is a wasteful number, since it uses less digits than its factorization.

2605682634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434280444.

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 2605682634 is about 51045.8875326896. The cubic root of 2605682634 is about 1376.0699346582.

The spelling of 2605682634 in words is "two billion, six hundred five million, six hundred eighty-two thousand, six hundred thirty-four".