6851326051 has 4 divisors (see below), whose sum is σ = 6933872232. Its totient is φ = 6768779872.

The previous prime is 6851326049. The next prime is 6851326057. The reversal of 6851326051 is 1506231586.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6851326051 - 2¹ = 6851326049 is a prime.

It is a super-2 number, since 2×6851326051² = 93881337314222509202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6851326051.

It is not an unprimeable number, because it can be changed into a prime (6851326057) 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 3 ways as a sum of consecutive naturals, for example, 41272966 + ... + 41273131.

It is an arithmetic number, because the mean of its divisors is an integer number (1733468058).

Almost surely, 2^6851326051 is an apocalyptic number.

6851326051 is a deficient number, since it is larger than the sum of its proper divisors (82546181).

6851326051 is an equidigital number, since it uses as much as digits as its factorization.

6851326051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82546180.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 6851326051 is about 82772.7373656327. The cubic root of 6851326051 is about 1899.2911530297.

The spelling of 6851326051 in words is "six billion, eight hundred fifty-one million, three hundred twenty-six thousand, fifty-one".