213044221413 has 24 divisors (see below), whose sum is σ = 324536940000. Its totient is φ = 139622192208.

The previous prime is 213044221381. The next prime is 213044221417. The reversal of 213044221413 is 314122440312.

213044221413 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 442 + 214 + 1 + 3 = 666.

It is not a de Polignac number, because 213044221413 - 2⁵ = 213044221381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213044221417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7415538 + ... + 7444211.

It is an arithmetic number, because the mean of its divisors is an integer number (13522372500).

Almost surely, 2^213044221413 is an apocalyptic number.

It is an amenable number.

213044221413 is a deficient number, since it is larger than the sum of its proper divisors (111492718587).

213044221413 is an equidigital number, since it uses as much as digits as its factorization.

213044221413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14859823 (or 14859811 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 213044221413 its reverse (314122440312), we get a palindrome (527166661725).

The spelling of 213044221413 in words is "two hundred thirteen billion, forty-four million, two hundred twenty-one thousand, four hundred thirteen".