2028892769 has 2 divisors, whose sum is σ = 2028892770. Its totient is φ = 2028892768.

The previous prime is 2028892729. The next prime is 2028892787. The reversal of 2028892769 is 9672988202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2021401600 + 7491169 = 44960^2 + 2737^2 .

It is a cyclic number.

It is not a de Polignac number, because 2028892769 - 2²⁰ = 2027844193 is a prime.

It is a super-2 number, since 2×2028892769² = 8232811736200974722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2028892769.

It is not a weakly prime, because it can be changed into another prime (2028892709) 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, 1014446384 + 1014446385.

It is an arithmetic number, because the mean of its divisors is an integer number (1014446385).

Almost surely, 2^2028892769 is an apocalyptic number.

It is an amenable number.

2028892769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028892769 is an equidigital number, since it uses as much as digits as its factorization.

2028892769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 2028892769 is about 45043.2322219443. The cubic root of 2028892769 is about 1265.9591675563.

The spelling of 2028892769 in words is "two billion, twenty-eight million, eight hundred ninety-two thousand, seven hundred sixty-nine".