213535443524 has 48 divisors (see below), whose sum is σ = 422522923200. Its totient is φ = 93736089216.

The previous prime is 213535443493. The next prime is 213535443533. The reversal of 213535443524 is 425344535312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 955694 + ... + 1157765.

It is an arithmetic number, because the mean of its divisors is an integer number (8802560900).

Almost surely, 2^213535443524 is an apocalyptic number.

It is an amenable number.

213535443524 is a deficient number, since it is larger than the sum of its proper divisors (208987479676).

213535443524 is a wasteful number, since it uses less digits than its factorization.

213535443524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113572 (or 2113570 counting only the distinct ones).

The product of its digits is 864000, while the sum is 41.

Adding to 213535443524 its reverse (425344535312), we get a palindrome (638879978836).

The spelling of 213535443524 in words is "two hundred thirteen billion, five hundred thirty-five million, four hundred forty-three thousand, five hundred twenty-four".