42213441354521 has 8 divisors (see below), whose sum is σ = 43056722214720. Its totient is φ = 41371893858672.

The previous prime is 42213441354493. The next prime is 42213441354569. The reversal of 42213441354521 is 12545314431224.

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

It is a cyclic number.

It is not a de Polignac number, because 42213441354521 - 2¹⁴ = 42213441338137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42213441354221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433291895 + ... + 433389308.

It is an arithmetic number, because the mean of its divisors is an integer number (5382090276840).

Almost surely, 2^{42213441354521} is an apocalyptic number.

It is an amenable number.

42213441354521 is a deficient number, since it is larger than the sum of its proper divisors (843280860199).

42213441354521 is an equidigital number, since it uses as much as digits as its factorization.

42213441354521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866682175.

The product of its digits is 460800, while the sum is 41.

Adding to 42213441354521 its reverse (12545314431224), we get a palindrome (54758755785745).

The spelling of 42213441354521 in words is "forty-two trillion, two hundred thirteen billion, four hundred forty-one million, three hundred fifty-four thousand, five hundred twenty-one".