16349646923417 has 2 divisors, whose sum is σ = 16349646923418. Its totient is φ = 16349646923416.

The previous prime is 16349646923273. The next prime is 16349646923419. The reversal of 16349646923417 is 71432964694361.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13507418459536 + 2842228463881 = 3675244^2 + 1685891^2 .

It is a cyclic number.

It is not a de Polignac number, because 16349646923417 - 2¹⁰ = 16349646922393 is a prime.

Together with 16349646923419, 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 (16349646923419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8174823461708 + 8174823461709.

It is an arithmetic number, because the mean of its divisors is an integer number (8174823461709).

Almost surely, 2^{16349646923417} is an apocalyptic number.

It is an amenable number.

16349646923417 is a deficient number, since it is larger than the sum of its proper divisors (1).

16349646923417 is an equidigital number, since it uses as much as digits as its factorization.

16349646923417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141087744, while the sum is 65.

The spelling of 16349646923417 in words is "sixteen trillion, three hundred forty-nine billion, six hundred forty-six million, nine hundred twenty-three thousand, four hundred seventeen".