6809712553 has 8 divisors (see below), whose sum is σ = 7783119872. Its totient is φ = 5836453056.

The previous prime is 6809712541. The next prime is 6809712571. The reversal of 6809712553 is 3552179086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6809712553 - 2¹³ = 6809704361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6809712523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91576 + ... + 148342.

It is an arithmetic number, because the mean of its divisors is an integer number (972889984).

Almost surely, 2^6809712553 is an apocalyptic number.

It is an amenable number.

6809712553 is a deficient number, since it is larger than the sum of its proper divisors (973407319).

6809712553 is a wasteful number, since it uses less digits than its factorization.

6809712553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73911.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 6809712553 is about 82520.9825014220. The cubic root of 6809712553 is about 1895.4380445751.

The spelling of 6809712553 in words is "six billion, eight hundred nine million, seven hundred twelve thousand, five hundred fifty-three".