3111840649682 has 8 divisors (see below), whose sum is σ = 4667812473852. Its totient is φ = 1555903158400.

The previous prime is 3111840649667. The next prime is 3111840649699. The reversal of 3111840649682 is 2869460481113.

It is a happy number.

It is a Cunningham number, because it is equal to 1764041²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 3111840649681 + 1 = 1764041^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3111840649682² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8355419 + ... + 8719902.

Almost surely, 2^{3111840649682} is an apocalyptic number.

3111840649682 is a deficient number, since it is larger than the sum of its proper divisors (1555971824170).

3111840649682 is a wasteful number, since it uses less digits than its factorization.

3111840649682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17166444.

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 3111840649682 in words is "three trillion, one hundred eleven billion, eight hundred forty million, six hundred forty-nine thousand, six hundred eighty-two".