6818875652 has 6 divisors (see below), whose sum is σ = 11933032398. Its totient is φ = 3409437824.

The previous prime is 6818875607. The next prime is 6818875663. The reversal of 6818875652 is 2565788186.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6067786816 + 751088836 = 77896^2 + 27406^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 852359453 + ... + 852359460.

It is an arithmetic number, because the mean of its divisors is an integer number (1988838733).

Almost surely, 2^6818875652 is an apocalyptic number.

It is an amenable number.

6818875652 is a deficient number, since it is larger than the sum of its proper divisors (5114156746).

6818875652 is a wasteful number, since it uses less digits than its factorization.

6818875652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704718917 (or 1704718915 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 56.

The square root of 6818875652 is about 82576.4836500078. The cubic root of 6818875652 is about 1896.2878260214.

The spelling of 6818875652 in words is "six billion, eight hundred eighteen million, eight hundred seventy-five thousand, six hundred fifty-two".