16442072260069 has 2 divisors, whose sum is σ = 16442072260070. Its totient is φ = 16442072260068.

The previous prime is 16442072260067. The next prime is 16442072260171. The reversal of 16442072260069 is 96006227024461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14669014900225 + 1773057359844 = 3830015^2 + 1331562^2 .

It is a cyclic number.

It is not a de Polignac number, because 16442072260069 - 2¹ = 16442072260067 is a prime.

It is a super-3 number, since 3×16442072260069³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 16442072260067, 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 (16442072260067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8221036130034 + 8221036130035.

It is an arithmetic number, because the mean of its divisors is an integer number (8221036130035).

Almost surely, 2^{16442072260069} is an apocalyptic number.

It is an amenable number.

16442072260069 is a deficient number, since it is larger than the sum of its proper divisors (1).

16442072260069 is an equidigital number, since it uses as much as digits as its factorization.

16442072260069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 16442072260069 in words is "sixteen trillion, four hundred forty-two billion, seventy-two million, two hundred sixty thousand, sixty-nine".