6929706981 has 8 divisors (see below), whose sum is σ = 9240029280. Its totient is φ = 4619594672.

The previous prime is 6929706929. The next prime is 6929707009. The reversal of 6929706981 is 1896079296.

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

It is a cyclic number.

It is not a de Polignac number, because 6929706981 - 2⁷ = 6929706853 is a prime.

It is a super-2 number, since 2×6929706981² = 96041677685040268722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6929706781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57331 + ... + 130943.

It is an arithmetic number, because the mean of its divisors is an integer number (1155003660).

Almost surely, 2^6929706981 is an apocalyptic number.

It is an amenable number.

6929706981 is a deficient number, since it is larger than the sum of its proper divisors (2310322299).

6929706981 is a wasteful number, since it uses less digits than its factorization.

6929706981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104995.

The product of its (nonzero) digits is 2939328, while the sum is 57.

The square root of 6929706981 is about 83244.8615891696. The cubic root of 6929706981 is about 1906.5065003356.

The spelling of 6929706981 in words is "six billion, nine hundred twenty-nine million, seven hundred six thousand, nine hundred eighty-one".