16436287291 has 2 divisors, whose sum is σ = 16436287292. Its totient is φ = 16436287290.

The previous prime is 16436287289. The next prime is 16436287303. The reversal of 16436287291 is 19278263461.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (19278263461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16436287291 - 2¹ = 16436287289 is a prime.

Together with 16436287289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16436287211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8218143645 + 8218143646.

It is an arithmetic number, because the mean of its divisors is an integer number (8218143646).

Almost surely, 2^16436287291 is an apocalyptic number.

16436287291 is a deficient number, since it is larger than the sum of its proper divisors (1).

16436287291 is an equidigital number, since it uses as much as digits as its factorization.

16436287291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The spelling of 16436287291 in words is "sixteen billion, four hundred thirty-six million, two hundred eighty-seven thousand, two hundred ninety-one".