6756021085 has 48 divisors (see below), whose sum is σ = 9492478128. Its totient is φ = 4596500480.

The previous prime is 6756021071. The next prime is 6756021091. The reversal of 6756021085 is 5801206576.

It can be written as a sum of positive squares in 8 ways, for example, as 2304324 + 6753716761 = 1518^2 + 82181^2 .

It is not a de Polignac number, because 6756021085 - 2²³ = 6747632477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1777407 + ... + 1781203.

It is an arithmetic number, because the mean of its divisors is an integer number (197759961).

Almost surely, 2^6756021085 is an apocalyptic number.

It is an amenable number.

6756021085 is a deficient number, since it is larger than the sum of its proper divisors (2736457043).

6756021085 is a wasteful number, since it uses less digits than its factorization.

6756021085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014 (or 4003 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 6756021085 is about 82195.0186142688. The cubic root of 6756021085 is about 1890.4433405625.

The spelling of 6756021085 in words is "six billion, seven hundred fifty-six million, twenty-one thousand, eighty-five".