2686514669 has 2 divisors, whose sum is σ = 2686514670. Its totient is φ = 2686514668.

The previous prime is 2686514659. The next prime is 2686514687. The reversal of 2686514669 is 9664156862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2292015625 + 394499044 = 47875^2 + 19862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2686514669 is a prime.

It is a super-2 number, since 2×2686514669² = 14434722133504359122, 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 2686514669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2686514629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1343257334 + 1343257335.

It is an arithmetic number, because the mean of its divisors is an integer number (1343257335).

Almost surely, 2^2686514669 is an apocalyptic number.

It is an amenable number.

2686514669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2686514669 is an equidigital number, since it uses as much as digits as its factorization.

2686514669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 53.

The square root of 2686514669 is about 51831.5991360483. The cubic root of 2686514669 is about 1390.1545070904.

The spelling of 2686514669 in words is "two billion, six hundred eighty-six million, five hundred fourteen thousand, six hundred sixty-nine".