16946392291 has 2 divisors, whose sum is σ = 16946392292. Its totient is φ = 16946392290.

The previous prime is 16946392289. The next prime is 16946392313. The reversal of 16946392291 is 19229364961.

It is a weak prime.

It is an emirp because it is prime and its reverse (19229364961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16946392291 - 2¹ = 16946392289 is a prime.

Together with 16946392289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16946392231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8473196145 + 8473196146.

It is an arithmetic number, because the mean of its divisors is an integer number (8473196146).

Almost surely, 2^16946392291 is an apocalyptic number.

16946392291 is a deficient number, since it is larger than the sum of its proper divisors (1).

16946392291 is an equidigital number, since it uses as much as digits as its factorization.

16946392291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 52.

The spelling of 16946392291 in words is "sixteen billion, nine hundred forty-six million, three hundred ninety-two thousand, two hundred ninety-one".