2642286869 has 2 divisors, whose sum is σ = 2642286870. Its totient is φ = 2642286868.

The previous prime is 2642286827. The next prime is 2642286901. The reversal of 2642286869 is 9686822462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2618880625 + 23406244 = 51175^2 + 4838^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642286869 - 2¹⁶ = 2642221333 is a prime.

It is a super-2 number, since 2×2642286869² = 13963359796179646322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2642286869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2612286869) 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, 1321143434 + 1321143435.

It is an arithmetic number, because the mean of its divisors is an integer number (1321143435).

Almost surely, 2^2642286869 is an apocalyptic number.

It is an amenable number.

2642286869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642286869 is an equidigital number, since it uses as much as digits as its factorization.

2642286869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3981312, while the sum is 53.

The square root of 2642286869 is about 51403.1795611906. The cubic root of 2642286869 is about 1382.4836023592.

The spelling of 2642286869 in words is "two billion, six hundred forty-two million, two hundred eighty-six thousand, eight hundred sixty-nine".