2686489529 has 2 divisors, whose sum is σ = 2686489530. Its totient is φ = 2686489528.

The previous prime is 2686489489. The next prime is 2686489573. The reversal of 2686489529 is 9259846862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2396298304 + 290191225 = 48952^2 + 17035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2686489529 is a prime.

It is not a weakly prime, because it can be changed into another prime (2686489829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1343244764 + 1343244765.

It is an arithmetic number, because the mean of its divisors is an integer number (1343244765).

Almost surely, 2^2686489529 is an apocalyptic number.

It is an amenable number.

2686489529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2686489529 is an equidigital number, since it uses as much as digits as its factorization.

2686489529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14929920, while the sum is 59.

The square root of 2686489529 is about 51831.3566193284. The cubic root of 2686489529 is about 1390.1501707913.

The spelling of 2686489529 in words is "two billion, six hundred eighty-six million, four hundred eighty-nine thousand, five hundred twenty-nine".