410204232661 has 2 divisors, whose sum is σ = 410204232662. Its totient is φ = 410204232660.

The previous prime is 410204232637. The next prime is 410204232707. The reversal of 410204232661 is 166232402014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 333679522500 + 76524710161 = 577650^2 + 276631^2 .

It is a cyclic number.

It is not a de Polignac number, because 410204232661 - 2⁵ = 410204232629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (410204232961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205102116330 + 205102116331.

It is an arithmetic number, because the mean of its divisors is an integer number (205102116331).

Almost surely, 2^410204232661 is an apocalyptic number.

It is an amenable number.

410204232661 is a deficient number, since it is larger than the sum of its proper divisors (1).

410204232661 is an equidigital number, since it uses as much as digits as its factorization.

410204232661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 410204232661 its reverse (166232402014), we get a palindrome (576436634675).

The spelling of 410204232661 in words is "four hundred ten billion, two hundred four million, two hundred thirty-two thousand, six hundred sixty-one".