213444104524 has 48 divisors (see below), whose sum is σ = 428026249728. Its totient is φ = 91232494848.

The previous prime is 213444104507. The next prime is 213444104597. The reversal of 213444104524 is 425401444312.

It is a self number, because there is not a number n which added to its sum of digits gives 213444104524.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18640569 + ... + 18652015.

It is an arithmetic number, because the mean of its divisors is an integer number (8917213536).

Almost surely, 2^213444104524 is an apocalyptic number.

It is an amenable number.

213444104524 is an abundant number, since it is smaller than the sum of its proper divisors (214582145204).

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

213444104524 is a wasteful number, since it uses less digits than its factorization.

213444104524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13174 (or 13172 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 213444104524 its reverse (425401444312), we get a palindrome (638845548836).

The spelling of 213444104524 in words is "two hundred thirteen billion, four hundred forty-four million, one hundred four thousand, five hundred twenty-four".