2643213522 has 8 divisors (see below), whose sum is σ = 5286427056. Its totient is φ = 881071172.

The previous prime is 2643213487. The next prime is 2643213523. The reversal of 2643213522 is 2253123462.

2643213522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

2643213522 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2643213522.

It is not an unprimeable number, because it can be changed into a prime (2643213523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220267788 + ... + 220267799.

It is an arithmetic number, because the mean of its divisors is an integer number (660803382).

Almost surely, 2^2643213522 is an apocalyptic number.

2643213522 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.

2643213522 is a wasteful number, since it uses less digits than its factorization.

2643213522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440535592.

The product of its digits is 17280, while the sum is 30.

The square root of 2643213522 is about 51412.1923477301. The cubic root of 2643213522 is about 1382.6451963257.

Adding to 2643213522 its reverse (2253123462), we get a palindrome (4896336984).

The spelling of 2643213522 in words is "two billion, six hundred forty-three million, two hundred thirteen thousand, five hundred twenty-two".