213225544544 has 12 divisors (see below), whose sum is σ = 419787790884. Its totient is φ = 106612772256.

The previous prime is 213225544531. The next prime is 213225544661. The reversal of 213225544544 is 445445522312.

213225544544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3331649102 + ... + 3331649165.

It is an arithmetic number, because the mean of its divisors is an integer number (34982315907).

Almost surely, 2^213225544544 is an apocalyptic number.

It is an amenable number.

213225544544 is a deficient number, since it is larger than the sum of its proper divisors (206562246340).

213225544544 is an equidigital number, since it uses as much as digits as its factorization.

213225544544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6663298277 (or 6663298269 counting only the distinct ones).

The product of its digits is 768000, while the sum is 41.

The spelling of 213225544544 in words is "two hundred thirteen billion, two hundred twenty-five million, five hundred forty-four thousand, five hundred forty-four".