521444102230213 has 8 divisors (see below), whose sum is σ = 529659535956480. Its totient is φ = 513252867131760.

The previous prime is 521444102230169. The next prime is 521444102230231. The reversal of 521444102230213 is 312032201444125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-521444102230213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521444102230253) 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 7 ways as a sum of consecutive naturals, for example, 6049613518 + ... + 6049699711.

It is an arithmetic number, because the mean of its divisors is an integer number (66207441994560).

Almost surely, 2^{521444102230213} is an apocalyptic number.

It is an amenable number.

521444102230213 is a deficient number, since it is larger than the sum of its proper divisors (8215433726267).

521444102230213 is a wasteful number, since it uses less digits than its factorization.

521444102230213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12099313907.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 521444102230213 its reverse (312032201444125), we get a palindrome (833476303674338).

The spelling of 521444102230213 in words is "five hundred twenty-one trillion, four hundred forty-four billion, one hundred two million, two hundred thirty thousand, two hundred thirteen".