16442806799 has 2 divisors, whose sum is σ = 16442806800. Its totient is φ = 16442806798.

The previous prime is 16442806781. The next prime is 16442806811. The reversal of 16442806799 is 99760824461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16442806799 - 2¹² = 16442802703 is a prime.

It is a super-3 number, since 3×16442806799³ (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 (16442836799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8221403399 + 8221403400.

It is an arithmetic number, because the mean of its divisors is an integer number (8221403400).

Almost surely, 2^16442806799 is an apocalyptic number.

16442806799 is a deficient number, since it is larger than the sum of its proper divisors (1).

16442806799 is an equidigital number, since it uses as much as digits as its factorization.

16442806799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 16442806799 in words is "sixteen billion, four hundred forty-two million, eight hundred six thousand, seven hundred ninety-nine".