2685118988 has 24 divisors (see below), whose sum is σ = 4947942720. Its totient is φ = 1271468880.

The previous prime is 2685118957. The next prime is 2685118993. The reversal of 2685118988 is 8898115862.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410423 + ... + 416913.

It is an arithmetic number, because the mean of its divisors is an integer number (206164280).

Almost surely, 2^2685118988 is an apocalyptic number.

It is an amenable number.

2685118988 is a deficient number, since it is larger than the sum of its proper divisors (2262823732).

2685118988 is a wasteful number, since it uses less digits than its factorization.

2685118988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11957 (or 11955 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 56.

The square root of 2685118988 is about 51818.1337757353. The cubic root of 2685118988 is about 1389.9137306499.

The spelling of 2685118988 in words is "two billion, six hundred eighty-five million, one hundred eighteen thousand, nine hundred eighty-eight".