16442072236399 has 2 divisors, whose sum is σ = 16442072236400. Its totient is φ = 16442072236398.

The previous prime is 16442072236397. The next prime is 16442072236427. The reversal of 16442072236399 is 99363227024461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16442072236399 - 2¹ = 16442072236397 is a prime.

It is a super-3 number, since 3×16442072236399³ (a number of 41 digits) contains 333 as substring.

Together with 16442072236397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16442072236397) 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, 8221036118199 + 8221036118200.

It is an arithmetic number, because the mean of its divisors is an integer number (8221036118200).

Almost surely, 2^{16442072236399} is an apocalyptic number.

16442072236399 is a deficient number, since it is larger than the sum of its proper divisors (1).

16442072236399 is an equidigital number, since it uses as much as digits as its factorization.

16442072236399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23514624, while the sum is 58.

The spelling of 16442072236399 in words is "sixteen trillion, four hundred forty-two billion, seventy-two million, two hundred thirty-six thousand, three hundred ninety-nine".