1028455483949 has 2 divisors, whose sum is σ = 1028455483950. Its totient is φ = 1028455483948.

The previous prime is 1028455483921. The next prime is 1028455483969. The reversal of 1028455483949 is 9493845548201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 862961107849 + 165494376100 = 928957^2 + 406810^2 .

It is a cyclic number.

It is not a de Polignac number, because 1028455483949 - 2¹² = 1028455479853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1028455483891 and 1028455483900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028455483969) 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, 514227741974 + 514227741975.

It is an arithmetic number, because the mean of its divisors is an integer number (514227741975).

Almost surely, 2^{1028455483949} is an apocalyptic number.

It is an amenable number.

1028455483949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028455483949 is an equidigital number, since it uses as much as digits as its factorization.

1028455483949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49766400, while the sum is 62.

The spelling of 1028455483949 in words is "one trillion, twenty-eight billion, four hundred fifty-five million, four hundred eighty-three thousand, nine hundred forty-nine".