6849620683684 has 9 divisors (see below), whose sum is σ = 11986845356577. Its totient is φ = 3424807724664.

The previous prime is 6849620683589. The next prime is 6849620683729. The reversal of 6849620683684 is 4863860269486.

The square root of 6849620683684 is 2617178.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3460634237284 + 3388986446400 = 1860278^2 + 1840920^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4580062 + ... + 5888650.

Almost surely, 2^{6849620683684} is an apocalyptic number.

6849620683684 is the 2617178-th square number.

It is an amenable number.

6849620683684 is a deficient number, since it is larger than the sum of its proper divisors (5137224672893).

6849620683684 is an frugal number, since it uses more digits than its factorization.

6849620683684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617182 (or 1308591 counting only the distinct ones).

The product of its (nonzero) digits is 573308928, while the sum is 70.

The spelling of 6849620683684 in words is "six trillion, eight hundred forty-nine billion, six hundred twenty million, six hundred eighty-three thousand, six hundred eighty-four".