2828269871989 has 2 divisors, whose sum is σ = 2828269871990. Its totient is φ = 2828269871988.

The previous prime is 2828269871963. The next prime is 2828269872013. The reversal of 2828269871989 is 9891789628282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2727974148964 + 100295723025 = 1651658^2 + 316695^2 .

It is a cyclic number.

It is not a de Polignac number, because 2828269871989 - 2²¹ = 2828267774837 is a prime.

It is a super-2 number, since 2×2828269871989² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2828269871929) 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, 1414134935994 + 1414134935995.

It is an arithmetic number, because the mean of its divisors is an integer number (1414134935995).

Almost surely, 2^{2828269871989} is an apocalyptic number.

It is an amenable number.

2828269871989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2828269871989 is an equidigital number, since it uses as much as digits as its factorization.

2828269871989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1003290624, while the sum is 79.

The spelling of 2828269871989 in words is "two trillion, eight hundred twenty-eight billion, two hundred sixty-nine million, eight hundred seventy-one thousand, nine hundred eighty-nine".