3211201466609 has 2 divisors, whose sum is σ = 3211201466610. Its totient is φ = 3211201466608.

The previous prime is 3211201466597. The next prime is 3211201466611. The reversal of 3211201466609 is 9066641021123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2284163709025 + 927037757584 = 1511345^2 + 962828^2 .

It is a cyclic number.

It is not a de Polignac number, because 3211201466609 - 2⁸ = 3211201466353 is a prime.

Together with 3211201466611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3211201466689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1605600733304 + 1605600733305.

It is an arithmetic number, because the mean of its divisors is an integer number (1605600733305).

Almost surely, 2^{3211201466609} is an apocalyptic number.

It is an amenable number.

3211201466609 is a deficient number, since it is larger than the sum of its proper divisors (1).

3211201466609 is an equidigital number, since it uses as much as digits as its factorization.

3211201466609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 3211201466609 in words is "three trillion, two hundred eleven billion, two hundred one million, four hundred sixty-six thousand, six hundred nine".