6854582981 has 8 divisors (see below), whose sum is σ = 7250591040. Its totient is φ = 6466740192.

The previous prime is 6854582951. The next prime is 6854582983. The reversal of 6854582981 is 1892854586.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6854582981 is a prime.

It is a super-2 number, since 2×6854582981² = 93970615686829692722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6854582983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2039591 + ... + 2042948.

It is an arithmetic number, because the mean of its divisors is an integer number (906323880).

Almost surely, 2^6854582981 is an apocalyptic number.

It is an amenable number.

6854582981 is a deficient number, since it is larger than the sum of its proper divisors (396008059).

6854582981 is a wasteful number, since it uses less digits than its factorization.

6854582981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082635.

The product of its digits is 5529600, while the sum is 56.

The square root of 6854582981 is about 82792.4089575850. The cubic root of 6854582981 is about 1899.5920620971.

The spelling of 6854582981 in words is "six billion, eight hundred fifty-four million, five hundred eighty-two thousand, nine hundred eighty-one".