213413533543 has 8 divisors (see below), whose sum is σ = 250493105312. Its totient is φ = 177981942816.

The previous prime is 213413533511. The next prime is 213413533549. The reversal of 213413533543 is 345335314312.

It is a happy number.

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 213413533543 - 2⁵ = 213413533511 is a prime.

It is a super-2 number, since 2×213413533543² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213413533549) 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, 411994980 + ... + 411995497.

It is an arithmetic number, because the mean of its divisors is an integer number (31311638164).

Almost surely, 2^213413533543 is an apocalyptic number.

213413533543 is a deficient number, since it is larger than the sum of its proper divisors (37079571769).

213413533543 is an equidigital number, since it uses as much as digits as its factorization.

213413533543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823990521.

The product of its digits is 194400, while the sum is 37.

Adding to 213413533543 its reverse (345335314312), we get a palindrome (558748847855).

The spelling of 213413533543 in words is "two hundred thirteen billion, four hundred thirteen million, five hundred thirty-three thousand, five hundred forty-three".