6985960681 has 4 divisors (see below), whose sum is σ = 7983955072. Its totient is φ = 5987966292.

The previous prime is 6985960649. The next prime is 6985960697. The reversal of 6985960681 is 1860695896.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6985960681 - 2⁵ = 6985960649 is a prime.

It is a super-2 number, since 2×6985960681² = 97607293272955967522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6985960601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498997185 + ... + 498997198.

It is an arithmetic number, because the mean of its divisors is an integer number (1995988768).

Almost surely, 2^6985960681 is an apocalyptic number.

It is an amenable number.

6985960681 is a deficient number, since it is larger than the sum of its proper divisors (997994391).

6985960681 is an equidigital number, since it uses as much as digits as its factorization.

6985960681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997994390.

The product of its (nonzero) digits is 5598720, while the sum is 58.

The square root of 6985960681 is about 83582.0595642390. The cubic root of 6985960681 is about 1911.6514577446.

The spelling of 6985960681 in words is "six billion, nine hundred eighty-five million, nine hundred sixty thousand, six hundred eighty-one".