2621603652 has 24 divisors (see below), whose sum is σ = 6118135296. Its totient is φ = 873716448.

The previous prime is 2621603623. The next prime is 2621603657. The reversal of 2621603652 is 2563061262.

It is not an unprimeable number, because it can be changed into a prime (2621603657) 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, 69858 + ... + 100614.

It is an arithmetic number, because the mean of its divisors is an integer number (254922304).

Almost surely, 2^2621603652 is an apocalyptic number.

It is an amenable number.

2621603652 is an abundant number, since it is smaller than the sum of its proper divisors (3496531644).

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

2621603652 is a wasteful number, since it uses less digits than its factorization.

2621603652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37867 (or 37865 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 2621603652 is about 51201.5981391206. The cubic root of 2621603652 is about 1378.8668938575.

The spelling of 2621603652 in words is "two billion, six hundred twenty-one million, six hundred three thousand, six hundred fifty-two".