2605653822 has 8 divisors (see below), whose sum is σ = 5211307656. Its totient is φ = 868551272.

The previous prime is 2605653811. The next prime is 2605653833. The reversal of 2605653822 is 2283565062.

It is an interprime number because it is at equal distance from previous prime (2605653811) and next prime (2605653833).

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

2605653822 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217137813 + ... + 217137824.

It is an arithmetic number, because the mean of its divisors is an integer number (651413457).

Almost surely, 2^2605653822 is an apocalyptic number.

2605653822 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.

2605653822 is a wasteful number, since it uses less digits than its factorization.

2605653822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434275642.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 2605653822 is about 51045.6053152473. The cubic root of 2605653822 is about 1376.0648627342.

The spelling of 2605653822 in words is "two billion, six hundred five million, six hundred fifty-three thousand, eight hundred twenty-two".