16933422481 has 2 divisors, whose sum is σ = 16933422482. Its totient is φ = 16933422480.

The previous prime is 16933422439. The next prime is 16933422511. The reversal of 16933422481 is 18422433961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13451360400 + 3482062081 = 115980^2 + 59009^2 .

It is an emirp because it is prime and its reverse (18422433961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16933422481 - 2¹⁵ = 16933389713 is a prime.

It is a super-2 number, since 2×16933422481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16933422431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8466711240 + 8466711241.

It is an arithmetic number, because the mean of its divisors is an integer number (8466711241).

Almost surely, 2^16933422481 is an apocalyptic number.

It is an amenable number.

16933422481 is a deficient number, since it is larger than the sum of its proper divisors (1).

16933422481 is an equidigital number, since it uses as much as digits as its factorization.

16933422481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 43.

The spelling of 16933422481 in words is "sixteen billion, nine hundred thirty-three million, four hundred twenty-two thousand, four hundred eighty-one".