1028001769 has 2 divisors, whose sum is σ = 1028001770. Its totient is φ = 1028001768.

The previous prime is 1028001763. The next prime is 1028001787. The reversal of 1028001769 is 9671008201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 921911769 + 106090000 = 30363^2 + 10300^2 .

It is an emirp because it is prime and its reverse (9671008201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1028001769 - 2³ = 1028001761 is a prime.

It is a super-2 number, since 2×1028001769² = 2113575274134258722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1028001761) 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, 514000884 + 514000885.

It is an arithmetic number, because the mean of its divisors is an integer number (514000885).

Almost surely, 2^1028001769 is an apocalyptic number.

It is an amenable number.

1028001769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028001769 is an equidigital number, since it uses as much as digits as its factorization.

1028001769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 1028001769 is about 32062.4666705480. The cubic root of 1028001769 is about 1009.2481314076.

The spelling of 1028001769 in words is "one billion, twenty-eight million, one thousand, seven hundred sixty-nine".