28252790441 has 2 divisors, whose sum is σ = 28252790442. Its totient is φ = 28252790440.

The previous prime is 28252790429. The next prime is 28252790453. The reversal of 28252790441 is 14409725282.

It is a balanced prime because it is at equal distance from previous prime (28252790429) and next prime (28252790453).

It can be written as a sum of positive squares in only one way, i.e., 22718025625 + 5534764816 = 150725^2 + 74396^2 .

It is a cyclic number.

It is not a de Polignac number, because 28252790441 - 2¹⁰ = 28252789417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28252790392 and 28252790401.

It is not a weakly prime, because it can be changed into another prime (28252790641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14126395220 + 14126395221.

It is an arithmetic number, because the mean of its divisors is an integer number (14126395221).

Almost surely, 2^28252790441 is an apocalyptic number.

It is an amenable number.

28252790441 is a deficient number, since it is larger than the sum of its proper divisors (1).

28252790441 is an equidigital number, since it uses as much as digits as its factorization.

28252790441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 28252790441 in words is "twenty-eight billion, two hundred fifty-two million, seven hundred ninety thousand, four hundred forty-one".