213522540450 has 48 divisors (see below), whose sum is σ = 530759008416. Its totient is φ = 56807827200.

The previous prime is 213522540443. The next prime is 213522540457. The reversal of 213522540450 is 54045225312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (213522540443) and next prime (213522540457).

It is not an unprimeable number, because it can be changed into a prime (213522540457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1578796 + ... + 1708695.

It is an arithmetic number, because the mean of its divisors is an integer number (11057479342).

Almost surely, 2^213522540450 is an apocalyptic number.

213522540450 is an abundant number, since it is smaller than the sum of its proper divisors (317236467966).

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

213522540450 is a wasteful number, since it uses less digits than its factorization.

213522540450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287939 (or 3287934 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 213522540450 its reverse (54045225312), we get a palindrome (267567765762).

The spelling of 213522540450 in words is "two hundred thirteen billion, five hundred twenty-two million, five hundred forty thousand, four hundred fifty".