213433334045 has 4 divisors (see below), whose sum is σ = 256120000860. Its totient is φ = 170746667232.

The previous prime is 213433334039. The next prime is 213433334057. The reversal of 213433334045 is 540433334312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23018048089 + 190415285956 = 151717^2 + 436366^2 .

It is a cyclic number.

It is not a de Polignac number, because 213433334045 - 2²⁶ = 213366225181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213433333996 and 213433334014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21343333400 + ... + 21343333409.

It is an arithmetic number, because the mean of its divisors is an integer number (64030000215).

Almost surely, 2^213433334045 is an apocalyptic number.

It is an amenable number.

213433334045 is a deficient number, since it is larger than the sum of its proper divisors (42686666815).

213433334045 is an equidigital number, since it uses as much as digits as its factorization.

213433334045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42686666814.

The product of its (nonzero) digits is 155520, while the sum is 35.

Adding to 213433334045 its reverse (540433334312), we get a palindrome (753866668357).

The spelling of 213433334045 in words is "two hundred thirteen billion, four hundred thirty-three million, three hundred thirty-four thousand, forty-five".