2685758969 has 2 divisors, whose sum is σ = 2685758970. Its totient is φ = 2685758968.

The previous prime is 2685758947. The next prime is 2685758993. The reversal of 2685758969 is 9698575862.

2685758969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2471282944 + 214476025 = 49712^2 + 14645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2685758969 is a prime.

It is a super-2 number, since 2×2685758969² = 14426602479127885922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2685758909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342879484 + 1342879485.

It is an arithmetic number, because the mean of its divisors is an integer number (1342879485).

Almost surely, 2^2685758969 is an apocalyptic number.

It is an amenable number.

2685758969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2685758969 is an equidigital number, since it uses as much as digits as its factorization.

2685758969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65318400, while the sum is 65.

The square root of 2685758969 is about 51824.3086688091. The cubic root of 2685758969 is about 1390.0241475715.

The spelling of 2685758969 in words is "two billion, six hundred eighty-five million, seven hundred fifty-eight thousand, nine hundred sixty-nine".