6881256256249 has 8 divisors (see below), whose sum is σ = 6901144686080. Its totient is φ = 6861374014176.

The previous prime is 6881256256241. The next prime is 6881256256279. The reversal of 6881256256249 is 9426526521886.

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 6881256256249 - 2³ = 6881256256241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6881256256241) 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, 685072 + ... + 3772510.

It is an arithmetic number, because the mean of its divisors is an integer number (862643085760).

Almost surely, 2^{6881256256249} is an apocalyptic number.

It is an amenable number.

6881256256249 is a deficient number, since it is larger than the sum of its proper divisors (19888429831).

6881256256249 is a wasteful number, since it uses less digits than its factorization.

6881256256249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093879.

The product of its digits is 99532800, while the sum is 64.

The spelling of 6881256256249 in words is "six trillion, eight hundred eighty-one billion, two hundred fifty-six million, two hundred fifty-six thousand, two hundred forty-nine".