5643898652 has 24 divisors (see below), whose sum is σ = 11332782720. Its totient is φ = 2409174000.

The previous prime is 5643898649. The next prime is 5643898661. The reversal of 5643898652 is 2568983465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394502 + ... + 408557.

It is an arithmetic number, because the mean of its divisors is an integer number (472199280).

Almost surely, 2^5643898652 is an apocalyptic number.

It is an amenable number.

5643898652 is an abundant number, since it is smaller than the sum of its proper divisors (5688884068).

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

5643898652 is a wasteful number, since it uses less digits than its factorization.

5643898652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803321 (or 803319 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 56.

The square root of 5643898652 is about 75125.8853658311. The cubic root of 5643898652 is about 1780.4361440194.

The spelling of 5643898652 in words is "five billion, six hundred forty-three million, eight hundred ninety-eight thousand, six hundred fifty-two".