2671728859 has 4 divisors (see below), whose sum is σ = 2672058640. Its totient is φ = 2671399080.

The previous prime is 2671728853. The next prime is 2671728863. The reversal of 2671728859 is 9588271762.

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 2671728859 - 2²⁷ = 2537511131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2671728853) 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, 152424 + ... + 169045.

It is an arithmetic number, because the mean of its divisors is an integer number (668014660).

Almost surely, 2^2671728859 is an apocalyptic number.

2671728859 is a deficient number, since it is larger than the sum of its proper divisors (329781).

2671728859 is an equidigital number, since it uses as much as digits as its factorization.

2671728859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329780.

The product of its digits is 3386880, while the sum is 55.

The square root of 2671728859 is about 51688.7691766790. The cubic root of 2671728859 is about 1387.5994760701.

The spelling of 2671728859 in words is "two billion, six hundred seventy-one million, seven hundred twenty-eight thousand, eight hundred fifty-nine".