213442411329971 has 2 divisors, whose sum is σ = 213442411329972. Its totient is φ = 213442411329970.

The previous prime is 213442411329947. The next prime is 213442411330009. The reversal of 213442411329971 is 179923114244312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213442411329971 - 2⁶ = 213442411329907 is a prime.

It is not a weakly prime, because it can be changed into another prime (213442411329941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106721205664985 + 106721205664986.

It is an arithmetic number, because the mean of its divisors is an integer number (106721205664986).

Almost surely, 2^{213442411329971} is an apocalyptic number.

213442411329971 is a deficient number, since it is larger than the sum of its proper divisors (1).

213442411329971 is an equidigital number, since it uses as much as digits as its factorization.

213442411329971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 53.

The spelling of 213442411329971 in words is "two hundred thirteen trillion, four hundred forty-two billion, four hundred eleven million, three hundred twenty-nine thousand, nine hundred seventy-one".