6727840869 has 16 divisors (see below), whose sum is σ = 9239350400. Its totient is φ = 4351475520.

The previous prime is 6727840783. The next prime is 6727840879. The reversal of 6727840869 is 9680487276.

It is not a de Polignac number, because 6727840869 - 2¹³ = 6727832677 is a prime.

It is a super-2 number, since 2×6727840869² = 90527685517173350322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6727840879) 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 15 ways as a sum of consecutive naturals, for example, 48097 + ... + 125574.

It is an arithmetic number, because the mean of its divisors is an integer number (577459400).

Almost surely, 2^6727840869 is an apocalyptic number.

It is an amenable number.

6727840869 is a deficient number, since it is larger than the sum of its proper divisors (2511509531).

6727840869 is a wasteful number, since it uses less digits than its factorization.

6727840869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174060.

The product of its (nonzero) digits is 8128512, while the sum is 57.

The square root of 6727840869 is about 82023.4165894106. The cubic root of 6727840869 is about 1887.8112517077.

The spelling of 6727840869 in words is "six billion, seven hundred twenty-seven million, eight hundred forty thousand, eight hundred sixty-nine".