213353235535424 has 14 divisors (see below), whose sum is σ = 423372826765734. Its totient is φ = 106676617767680.

The previous prime is 213353235535411. The next prime is 213353235535439. The reversal of 213353235535424 is 424535532353312.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 115232324175424 + 98120911360000 = 10734632^2 + 9905600^2 .

It is a super-2 number, since 2×213353235535424² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1666822152557 + ... + 1666822152684.

Almost surely, 2^{213353235535424} is an apocalyptic number.

It is an amenable number.

213353235535424 is a deficient number, since it is larger than the sum of its proper divisors (210019591230310).

213353235535424 is an equidigital number, since it uses as much as digits as its factorization.

213353235535424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333644305253 (or 3333644305243 counting only the distinct ones).

The product of its digits is 19440000, while the sum is 50.

Adding to 213353235535424 its reverse (424535532353312), we get a palindrome (637888767888736).

The spelling of 213353235535424 in words is "two hundred thirteen trillion, three hundred fifty-three billion, two hundred thirty-five million, five hundred thirty-five thousand, four hundred twenty-four".