2685668975 has 24 divisors (see below), whose sum is σ = 3758263920. Its totient is φ = 1885856000.

The previous prime is 2685668963. The next prime is 2685668987. The reversal of 2685668975 is 5798665862.

It is an interprime number because it is at equal distance from previous prime (2685668963) and next prime (2685668987).

It is not a de Polignac number, because 2685668975 - 2¹⁰ = 2685667951 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160406 + ... + 176355.

It is an arithmetic number, because the mean of its divisors is an integer number (156594330).

Almost surely, 2^2685668975 is an apocalyptic number.

2685668975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2685668975 is a deficient number, since it is larger than the sum of its proper divisors (1072594945).

2685668975 is a wasteful number, since it uses less digits than its factorization.

2685668975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336811 (or 336806 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 62.

The square root of 2685668975 is about 51823.4404010386. The cubic root of 2685668975 is about 1390.0086218260.

The spelling of 2685668975 in words is "two billion, six hundred eighty-five million, six hundred sixty-eight thousand, nine hundred seventy-five".