28455455453 has 2 divisors, whose sum is σ = 28455455454. Its totient is φ = 28455455452.

The previous prime is 28455455381. The next prime is 28455455503. The reversal of 28455455453 is 35455455482.

It is an a-pointer prime, because the next prime (28455455503) can be obtained adding 28455455453 to its sum of digits (50).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14640274009 + 13815181444 = 120997^2 + 117538^2 .

It is a cyclic number.

It is not a de Polignac number, because 28455455453 - 2¹⁶ = 28455389917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28455458453) 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, 14227727726 + 14227727727.

It is an arithmetic number, because the mean of its divisors is an integer number (14227727727).

Almost surely, 2^28455455453 is an apocalyptic number.

It is an amenable number.

28455455453 is a deficient number, since it is larger than the sum of its proper divisors (1).

28455455453 is an equidigital number, since it uses as much as digits as its factorization.

28455455453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600000, while the sum is 50.

The spelling of 28455455453 in words is "twenty-eight billion, four hundred fifty-five million, four hundred fifty-five thousand, four hundred fifty-three".