2728654069 has 8 divisors (see below), whose sum is σ = 2818052352. Its totient is φ = 2639341920.

The previous prime is 2728654063. The next prime is 2728654073. The reversal of 2728654069 is 9604568272.

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 2728654069 - 2²⁵ = 2695099637 is a prime.

It is a super-2 number, since 2×2728654069² = 14891106056540513522, 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 (2728654063) 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, 46302 + ... + 87184.

It is an arithmetic number, because the mean of its divisors is an integer number (352256544).

Almost surely, 2^2728654069 is an apocalyptic number.

It is an amenable number.

2728654069 is a deficient number, since it is larger than the sum of its proper divisors (89398283).

2728654069 is a wasteful number, since it uses less digits than its factorization.

2728654069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43067.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The square root of 2728654069 is about 52236.5204526488. The cubic root of 2728654069 is about 1397.3852673817.

The spelling of 2728654069 in words is "two billion, seven hundred twenty-eight million, six hundred fifty-four thousand, sixty-nine".