6801284581 has 16 divisors (see below), whose sum is σ = 8431928064. Its totient is φ = 5341947264.

The previous prime is 6801284579. The next prime is 6801284591. The reversal of 6801284581 is 1854821086.

It is a cyclic number.

It is not a de Polignac number, because 6801284581 - 2¹ = 6801284579 is a prime.

It is a super-2 number, since 2×6801284581² = 92514943903496691122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6801284591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260305 + ... + 285238.

It is an arithmetic number, because the mean of its divisors is an integer number (526995504).

Almost surely, 2^6801284581 is an apocalyptic number.

It is an amenable number.

6801284581 is a deficient number, since it is larger than the sum of its proper divisors (1630643483).

6801284581 is a wasteful number, since it uses less digits than its factorization.

6801284581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545700.

The product of its (nonzero) digits is 122880, while the sum is 43.

The square root of 6801284581 is about 82469.9010609325. The cubic root of 6801284581 is about 1894.6557651721.

The spelling of 6801284581 in words is "six billion, eight hundred one million, two hundred eighty-four thousand, five hundred eighty-one".