330243202341961 has 2 divisors, whose sum is σ = 330243202341962. Its totient is φ = 330243202341960.

The previous prime is 330243202341937. The next prime is 330243202342033. The reversal of 330243202341961 is 169143202342033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201303430164736 + 128939772177225 = 14188144^2 + 11355165^2 .

It is a cyclic number.

It is not a de Polignac number, because 330243202341961 - 2²¹ = 330243200244809 is a prime.

It is not a weakly prime, because it can be changed into another prime (330243202341901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165121601170980 + 165121601170981.

It is an arithmetic number, because the mean of its divisors is an integer number (165121601170981).

Almost surely, 2^{330243202341961} is an apocalyptic number.

It is an amenable number.

330243202341961 is a deficient number, since it is larger than the sum of its proper divisors (1).

330243202341961 is an equidigital number, since it uses as much as digits as its factorization.

330243202341961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 43.

Adding to 330243202341961 its reverse (169143202342033), we get a palindrome (499386404683994).

The spelling of 330243202341961 in words is "three hundred thirty trillion, two hundred forty-three billion, two hundred two million, three hundred forty-one thousand, nine hundred sixty-one".