16382639291 has 2 divisors, whose sum is σ = 16382639292. Its totient is φ = 16382639290.

The previous prime is 16382639281. The next prime is 16382639293. The reversal of 16382639291 is 19293628361.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16382639291 - 2¹⁰ = 16382638267 is a prime.

It is a Sophie Germain prime.

Together with 16382639293, 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 (16382639293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8191319645 + 8191319646.

It is an arithmetic number, because the mean of its divisors is an integer number (8191319646).

Almost surely, 2^16382639291 is an apocalyptic number.

16382639291 is a deficient number, since it is larger than the sum of its proper divisors (1).

16382639291 is an equidigital number, since it uses as much as digits as its factorization.

16382639291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 50.

The spelling of 16382639291 in words is "sixteen billion, three hundred eighty-two million, six hundred thirty-nine thousand, two hundred ninety-one".