16440450287699 has 2 divisors, whose sum is σ = 16440450287700. Its totient is φ = 16440450287698.

The previous prime is 16440450287633. The next prime is 16440450287713. The reversal of 16440450287699 is 99678205404461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16440450287699 is a prime.

It is a super-3 number, since 3×16440450287699³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (16440450287399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8220225143849 + 8220225143850.

It is an arithmetic number, because the mean of its divisors is an integer number (8220225143850).

Almost surely, 2^{16440450287699} is an apocalyptic number.

16440450287699 is a deficient number, since it is larger than the sum of its proper divisors (1).

16440450287699 is an equidigital number, since it uses as much as digits as its factorization.

16440450287699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104509440, while the sum is 65.

The spelling of 16440450287699 in words is "sixteen trillion, four hundred forty billion, four hundred fifty million, two hundred eighty-seven thousand, six hundred ninety-nine".