16442030012173 has 2 divisors, whose sum is σ = 16442030012174. Its totient is φ = 16442030012172.

The previous prime is 16442030012167. The next prime is 16442030012267. The reversal of 16442030012173 is 37121003024461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8519842941129 + 7922187071044 = 2918877^2 + 2814638^2 .

It is an emirp because it is prime and its reverse (37121003024461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16442030012173 - 2²¹ = 16442027915021 is a prime.

It is a super-3 number, since 3×16442030012173³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16442030082173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8221015006086 + 8221015006087.

It is an arithmetic number, because the mean of its divisors is an integer number (8221015006087).

Almost surely, 2^{16442030012173} is an apocalyptic number.

It is an amenable number.

16442030012173 is a deficient number, since it is larger than the sum of its proper divisors (1).

16442030012173 is an equidigital number, since it uses as much as digits as its factorization.

16442030012173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 16442030012173 in words is "sixteen trillion, four hundred forty-two billion, thirty million, twelve thousand, one hundred seventy-three".