6881012793 has 6 divisors (see below), whose sum is σ = 9939240714. Its totient is φ = 4587341856.

The previous prime is 6881012791. The next prime is 6881012797. The reversal of 6881012793 is 3972101886.

It can be written as a sum of positive squares in only one way, i.e., 6618961449 + 262051344 = 81357^2 + 16188^2 .

It is not a de Polignac number, because 6881012793 - 2¹ = 6881012791 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6881012791) 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 5 ways as a sum of consecutive naturals, for example, 382278480 + ... + 382278497.

It is an arithmetic number, because the mean of its divisors is an integer number (1656540119).

Almost surely, 2^6881012793 is an apocalyptic number.

It is an amenable number.

6881012793 is a deficient number, since it is larger than the sum of its proper divisors (3058227921).

6881012793 is a wasteful number, since it uses less digits than its factorization.

6881012793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764556983 (or 764556980 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 6881012793 is about 82951.8703405776. The cubic root of 6881012793 is about 1902.0304049978.

The spelling of 6881012793 in words is "six billion, eight hundred eighty-one million, twelve thousand, seven hundred ninety-three".