6986086613 has 12 divisors (see below), whose sum is σ = 7683190284. Its totient is φ = 6347457600.

The previous prime is 6986086559. The next prime is 6986086651. The reversal of 6986086613 is 3166806896.

It can be written as a sum of positive squares in 2 ways, for example, as 4767488209 + 2218598404 = 69047^2 + 47102^2 .

It is not a de Polignac number, because 6986086613 - 2⁸ = 6986086357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6986016613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216383 + ... + 246563.

It is an arithmetic number, because the mean of its divisors is an integer number (640265857).

Almost surely, 2^6986086613 is an apocalyptic number.

It is an amenable number.

6986086613 is a deficient number, since it is larger than the sum of its proper divisors (697103671).

6986086613 is a wasteful number, since it uses less digits than its factorization.

6986086613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32116 (or 32105 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 53.

The square root of 6986086613 is about 83582.8129043286. The cubic root of 6986086613 is about 1911.6629444323.

The spelling of 6986086613 in words is "six billion, nine hundred eighty-six million, eighty-six thousand, six hundred thirteen".