1028986093 has 2 divisors, whose sum is σ = 1028986094. Its totient is φ = 1028986092.

The previous prime is 1028986073. The next prime is 1028986099. The reversal of 1028986093 is 3906898201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 983261449 + 45724644 = 31357^2 + 6762^2 .

It is an emirp because it is prime and its reverse (3906898201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1028986093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028986099) 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, 514493046 + 514493047.

It is an arithmetic number, because the mean of its divisors is an integer number (514493047).

Almost surely, 2^1028986093 is an apocalyptic number.

It is an amenable number.

1028986093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028986093 is an equidigital number, since it uses as much as digits as its factorization.

1028986093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 1028986093 is about 32077.8130956585. The cubic root of 1028986093 is about 1009.5701510394.

The spelling of 1028986093 in words is "one billion, twenty-eight million, nine hundred eighty-six thousand, ninety-three".