16213314391 has 2 divisors, whose sum is σ = 16213314392. Its totient is φ = 16213314390.

The previous prime is 16213314263. The next prime is 16213314407. The reversal of 16213314391 is 19341331261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16213314391 - 2⁷ = 16213314263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16213314191) 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, 8106657195 + 8106657196.

It is an arithmetic number, because the mean of its divisors is an integer number (8106657196).

Almost surely, 2^16213314391 is an apocalyptic number.

16213314391 is a deficient number, since it is larger than the sum of its proper divisors (1).

16213314391 is an equidigital number, since it uses as much as digits as its factorization.

16213314391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 34.

The spelling of 16213314391 in words is "sixteen billion, two hundred thirteen million, three hundred fourteen thousand, three hundred ninety-one".