210321410434 has 4 divisors (see below), whose sum is σ = 315482115654. Its totient is φ = 105160705216.

The previous prime is 210321410419. The next prime is 210321410489. The reversal of 210321410434 is 434014123012.

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

It can be written as a sum of positive squares in only one way, i.e., 192909816225 + 17411594209 = 439215^2 + 131953^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210321410399 and 210321410408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52580352607 + ... + 52580352610.

Almost surely, 2^210321410434 is an apocalyptic number.

210321410434 is a deficient number, since it is larger than the sum of its proper divisors (105160705220).

210321410434 is a wasteful number, since it uses less digits than its factorization.

210321410434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105160705219.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 210321410434 its reverse (434014123012), we get a palindrome (644335533446).

The spelling of 210321410434 in words is "two hundred ten billion, three hundred twenty-one million, four hundred ten thousand, four hundred thirty-four".