16441023643427 has 2 divisors, whose sum is σ = 16441023643428. Its totient is φ = 16441023643426.

The previous prime is 16441023643409. The next prime is 16441023643453. The reversal of 16441023643427 is 72434632014461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16441023643427 - 2⁸ = 16441023643171 is a prime.

It is a super-3 number, since 3×16441023643427³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (16441023646427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8220511821713 + 8220511821714.

It is an arithmetic number, because the mean of its divisors is an integer number (8220511821714).

Almost surely, 2^{16441023643427} is an apocalyptic number.

16441023643427 is a deficient number, since it is larger than the sum of its proper divisors (1).

16441023643427 is an equidigital number, since it uses as much as digits as its factorization.

16441023643427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 47.

Adding to 16441023643427 its reverse (72434632014461), we get a palindrome (88875655657888).

The spelling of 16441023643427 in words is "sixteen trillion, four hundred forty-one billion, twenty-three million, six hundred forty-three thousand, four hundred twenty-seven".