28545414407 has 2 divisors, whose sum is σ = 28545414408. Its totient is φ = 28545414406.

The previous prime is 28545414383. The next prime is 28545414409. The reversal of 28545414407 is 70441454582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28545414407 - 2⁸ = 28545414151 is a prime.

Together with 28545414409, 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 (28545414409) 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, 14272707203 + 14272707204.

It is an arithmetic number, because the mean of its divisors is an integer number (14272707204).

Almost surely, 2^28545414407 is an apocalyptic number.

28545414407 is a deficient number, since it is larger than the sum of its proper divisors (1).

28545414407 is an equidigital number, since it uses as much as digits as its factorization.

28545414407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 716800, while the sum is 44.

Adding to 28545414407 its reverse (70441454582), we get a palindrome (98986868989).

The spelling of 28545414407 in words is "twenty-eight billion, five hundred forty-five million, four hundred fourteen thousand, four hundred seven".