28493552429 has 2 divisors, whose sum is σ = 28493552430. Its totient is φ = 28493552428.

The previous prime is 28493552377. The next prime is 28493552431. The reversal of 28493552429 is 92425539482.

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., 27780555625 + 712996804 = 166675^2 + 26702^2 .

It is a cyclic number.

It is not a de Polignac number, because 28493552429 - 2⁸ = 28493552173 is a prime.

Together with 28493552431, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28493552449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14246776214 + 14246776215.

It is an arithmetic number, because the mean of its divisors is an integer number (14246776215).

Almost surely, 2^28493552429 is an apocalyptic number.

It is an amenable number.

28493552429 is a deficient number, since it is larger than the sum of its proper divisors (1).

28493552429 is an equidigital number, since it uses as much as digits as its factorization.

28493552429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6220800, while the sum is 53.

The spelling of 28493552429 in words is "twenty-eight billion, four hundred ninety-three million, five hundred fifty-two thousand, four hundred twenty-nine".