28933360481 has 2 divisors, whose sum is σ = 28933360482. Its totient is φ = 28933360480.

The previous prime is 28933360471. The next prime is 28933360483. The reversal of 28933360481 is 18406333982.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24661561600 + 4271798881 = 157040^2 + 65359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28933360481 is a prime.

It is a super-2 number, since 2×28933360481² (a number of 22 digits) contains 22 as substring.

Together with 28933360483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28933360483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14466680240 + 14466680241.

It is an arithmetic number, because the mean of its divisors is an integer number (14466680241).

Almost surely, 2^28933360481 is an apocalyptic number.

It is an amenable number.

28933360481 is a deficient number, since it is larger than the sum of its proper divisors (1).

28933360481 is an equidigital number, since it uses as much as digits as its factorization.

28933360481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 28933360481 in words is "twenty-eight billion, nine hundred thirty-three million, three hundred sixty thousand, four hundred eighty-one".