16282421893 has 2 divisors, whose sum is σ = 16282421894. Its totient is φ = 16282421892.

The previous prime is 16282421863. The next prime is 16282421921. The reversal of 16282421893 is 39812428261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14356353124 + 1926068769 = 119818^2 + 43887^2 .

It is an emirp because it is prime and its reverse (39812428261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16282421893 - 2⁵ = 16282421861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16282421863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8141210946 + 8141210947.

It is an arithmetic number, because the mean of its divisors is an integer number (8141210947).

Almost surely, 2^16282421893 is an apocalyptic number.

It is an amenable number.

16282421893 is a deficient number, since it is larger than the sum of its proper divisors (1).

16282421893 is an equidigital number, since it uses as much as digits as its factorization.

16282421893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 46.

The spelling of 16282421893 in words is "sixteen billion, two hundred eighty-two million, four hundred twenty-one thousand, eight hundred ninety-three".