16424342287 has 2 divisors, whose sum is σ = 16424342288. Its totient is φ = 16424342286.

The previous prime is 16424342261. The next prime is 16424342317. The reversal of 16424342287 is 78224342461.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16424342287 - 2¹⁹ = 16423817999 is a prime.

It is a super-3 number, since 3×16424342287³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16424342227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8212171143 + 8212171144.

It is an arithmetic number, because the mean of its divisors is an integer number (8212171144).

Almost surely, 2^16424342287 is an apocalyptic number.

16424342287 is a deficient number, since it is larger than the sum of its proper divisors (1).

16424342287 is an equidigital number, since it uses as much as digits as its factorization.

16424342287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 516096, while the sum is 43.

The spelling of 16424342287 in words is "sixteen billion, four hundred twenty-four million, three hundred forty-two thousand, two hundred eighty-seven".