1028358769 has 2 divisors, whose sum is σ = 1028358770. Its totient is φ = 1028358768.

The previous prime is 1028358743. The next prime is 1028358791. The reversal of 1028358769 is 9678538201.

1028358769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 553990369 + 474368400 = 23537^2 + 21780^2 .

It is a cyclic number.

It is not a de Polignac number, because 1028358769 - 2¹³ = 1028350577 is a prime.

It is a super-2 number, since 2×1028358769² = 2115043515558390722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1028358469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514179384 + 514179385.

It is an arithmetic number, because the mean of its divisors is an integer number (514179385).

Almost surely, 2^1028358769 is an apocalyptic number.

It is an amenable number.

1028358769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028358769 is an equidigital number, since it uses as much as digits as its factorization.

1028358769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 1028358769 is about 32068.0334445379. The cubic root of 1028358769 is about 1009.3649469922.

The spelling of 1028358769 in words is "one billion, twenty-eight million, three hundred fifty-eight thousand, seven hundred sixty-nine".