2689243027 has 2 divisors, whose sum is σ = 2689243028. Its totient is φ = 2689243026.

The previous prime is 2689243003. The next prime is 2689243079. The reversal of 2689243027 is 7203429862.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2689243027 is a prime.

It is not a weakly prime, because it can be changed into another prime (2689243127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344621513 + 1344621514.

It is an arithmetic number, because the mean of its divisors is an integer number (1344621514).

Almost surely, 2^2689243027 is an apocalyptic number.

2689243027 is a deficient number, since it is larger than the sum of its proper divisors (1).

2689243027 is an equidigital number, since it uses as much as digits as its factorization.

2689243027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 2689243027 is about 51857.9119035852. The cubic root of 2689243027 is about 1390.6249500733.

The spelling of 2689243027 in words is "two billion, six hundred eighty-nine million, two hundred forty-three thousand, twenty-seven".