16344614393 has 2 divisors, whose sum is σ = 16344614394. Its totient is φ = 16344614392.

The previous prime is 16344614389. The next prime is 16344614413. The reversal of 16344614393 is 39341644361.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16313164729 + 31449664 = 127723^2 + 5608^2 .

It is a cyclic number.

It is not a de Polignac number, because 16344614393 - 2² = 16344614389 is a prime.

It is not a weakly prime, because it can be changed into another prime (16344614303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8172307196 + 8172307197.

It is an arithmetic number, because the mean of its divisors is an integer number (8172307197).

Almost surely, 2^16344614393 is an apocalyptic number.

It is an amenable number.

16344614393 is a deficient number, since it is larger than the sum of its proper divisors (1).

16344614393 is an equidigital number, since it uses as much as digits as its factorization.

16344614393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 44.

The spelling of 16344614393 in words is "sixteen billion, three hundred forty-four million, six hundred fourteen thousand, three hundred ninety-three".