210433430245 has 4 divisors (see below), whose sum is σ = 252520116300. Its totient is φ = 168346744192.

The previous prime is 210433430213. The next prime is 210433430329. The reversal of 210433430245 is 542034334012.

It is a happy number.

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 155779406721 + 54654023524 = 394689^2 + 233782^2 .

It is a cyclic number.

It is not a de Polignac number, because 210433430245 - 2⁵ = 210433430213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21043343020 + ... + 21043343029.

It is an arithmetic number, because the mean of its divisors is an integer number (63130029075).

Almost surely, 2^210433430245 is an apocalyptic number.

It is an amenable number.

210433430245 is a deficient number, since it is larger than the sum of its proper divisors (42086686055).

210433430245 is an equidigital number, since it uses as much as digits as its factorization.

210433430245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42086686054.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 210433430245 its reverse (542034334012), we get a palindrome (752467764257).

The spelling of 210433430245 in words is "two hundred ten billion, four hundred thirty-three million, four hundred thirty thousand, two hundred forty-five".