2806728469 has 8 divisors (see below), whose sum is σ = 3017312640. Its totient is φ = 2602430496.

The previous prime is 2806728467. The next prime is 2806728481. The reversal of 2806728469 is 9648276082.

2806728469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2806728469 - 2¹ = 2806728467 is a prime.

It is a super-2 number, since 2×2806728469² = 15755449397390167922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2806728467) 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, 1570624 + ... + 1572409.

It is an arithmetic number, because the mean of its divisors is an integer number (377164080).

Almost surely, 2^2806728469 is an apocalyptic number.

It is an amenable number.

2806728469 is a deficient number, since it is larger than the sum of its proper divisors (210584171).

2806728469 is a wasteful number, since it uses less digits than its factorization.

2806728469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143099.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The square root of 2806728469 is about 52978.5661281994. The cubic root of 2806728469 is about 1410.5878321236.

The spelling of 2806728469 in words is "two billion, eight hundred six million, seven hundred twenty-eight thousand, four hundred sixty-nine".