16452305050021 has 2 divisors, whose sum is σ = 16452305050022. Its totient is φ = 16452305050020.

The previous prime is 16452305050009. The next prime is 16452305050031. The reversal of 16452305050021 is 12005050325461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14881579252225 + 1570725797796 = 3857665^2 + 1253286^2 .

It is a cyclic number.

It is not a de Polignac number, because 16452305050021 - 2⁵ = 16452305049989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16452305050001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8226152525010 + 8226152525011.

It is an arithmetic number, because the mean of its divisors is an integer number (8226152525011).

Almost surely, 2^{16452305050021} is an apocalyptic number.

It is an amenable number.

16452305050021 is a deficient number, since it is larger than the sum of its proper divisors (1).

16452305050021 is an equidigital number, since it uses as much as digits as its factorization.

16452305050021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 16452305050021 its reverse (12005050325461), we get a palindrome (28457355375482).

The spelling of 16452305050021 in words is "sixteen trillion, four hundred fifty-two billion, three hundred five million, fifty thousand, twenty-one".