5643556422 has 16 divisors (see below), whose sum is σ = 12899557632. Its totient is φ = 1612444680.

The previous prime is 5643556421. The next prime is 5643556433. The reversal of 5643556422 is 2246553465.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 134370391 = 5643556422 / (5 + 6 + 4 + 3 + 5 + 5 + 6 + 4 + 2 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643556421) 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, 67185154 + ... + 67185237.

It is an arithmetic number, because the mean of its divisors is an integer number (806222352).

Almost surely, 2^5643556422 is an apocalyptic number.

5643556422 is an abundant number, since it is smaller than the sum of its proper divisors (7256001210).

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

5643556422 is a wasteful number, since it uses less digits than its factorization.

5643556422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134370403.

The product of its digits is 864000, while the sum is 42.

The square root of 5643556422 is about 75123.6076210401. The cubic root of 5643556422 is about 1780.4001564267.

The spelling of 5643556422 in words is "five billion, six hundred forty-three million, five hundred fifty-six thousand, four hundred twenty-two".