6695978853 has 48 divisors (see below), whose sum is σ = 9704540160. Its totient is φ = 4104662784.

The previous prime is 6695978833. The next prime is 6695978869. The reversal of 6695978853 is 3588795966.

It is not a de Polignac number, because 6695978853 - 2¹⁰ = 6695977829 is a prime.

It is a super-2 number, since 2×6695978853² = 89672265599646391218, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6695978833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11406826 + ... + 11407412.

It is an arithmetic number, because the mean of its divisors is an integer number (202177920).

Almost surely, 2^6695978853 is an apocalyptic number.

It is an amenable number.

6695978853 is a deficient number, since it is larger than the sum of its proper divisors (3008561307).

6695978853 is a wasteful number, since it uses less digits than its factorization.

6695978853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 889 counting only the distinct ones).

The product of its digits is 97977600, while the sum is 66.

The square root of 6695978853 is about 81828.9609673739. The cubic root of 6695978853 is about 1884.8264072399.

The spelling of 6695978853 in words is "six billion, six hundred ninety-five million, nine hundred seventy-eight thousand, eight hundred fifty-three".