6727961851 has 4 divisors (see below), whose sum is σ = 7245497392. Its totient is φ = 6210426312.

The previous prime is 6727961843. The next prime is 6727961861. The reversal of 6727961851 is 1581697276.

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 6727961851 - 2³ = 6727961843 is a prime.

It is a super-2 number, since 2×6727961851² = 90530941337022692402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6727961861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258767751 + ... + 258767776.

It is an arithmetic number, because the mean of its divisors is an integer number (1811374348).

Almost surely, 2^6727961851 is an apocalyptic number.

6727961851 is a deficient number, since it is larger than the sum of its proper divisors (517535541).

6727961851 is a wasteful number, since it uses less digits than its factorization.

6727961851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517535540.

The product of its digits is 1270080, while the sum is 52.

The square root of 6727961851 is about 82024.1540706151. The cubic root of 6727961851 is about 1887.8225673644.

The spelling of 6727961851 in words is "six billion, seven hundred twenty-seven million, nine hundred sixty-one thousand, eight hundred fifty-one".