213644103112413 has 8 divisors (see below), whose sum is σ = 316509782388800. Its totient is φ = 142429402074924.

The previous prime is 213644103112409. The next prime is 213644103112439. The reversal of 213644103112413 is 314211301446312.

213644103112413 is a `hidden beast` number, since 2 + 1 + 3 + 64 + 41 + 0 + 311 + 241 + 3 = 666.

It is not a de Polignac number, because 213644103112413 - 2² = 213644103112409 is a prime.

It is a super-2 number, since 2×213644103112413² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213644173112413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3956372279833 + ... + 3956372279886.

It is an arithmetic number, because the mean of its divisors is an integer number (39563722798600).

Almost surely, 2^{213644103112413} is an apocalyptic number.

It is an amenable number.

213644103112413 is a deficient number, since it is larger than the sum of its proper divisors (102865679276387).

213644103112413 is an equidigital number, since it uses as much as digits as its factorization.

213644103112413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7912744559728 (or 7912744559722 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 213644103112413 its reverse (314211301446312), we get a palindrome (527855404558725).

The spelling of 213644103112413 in words is "two hundred thirteen trillion, six hundred forty-four billion, one hundred three million, one hundred twelve thousand, four hundred thirteen".