2728626459 has 16 divisors (see below), whose sum is σ = 4088378112. Its totient is φ = 1606147488.

The previous prime is 2728626451. The next prime is 2728626503. The reversal of 2728626459 is 9546268272.

It is a happy number.

It is not a de Polignac number, because 2728626459 - 2³ = 2728626451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2728626451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1520077 + ... + 1521870.

It is an arithmetic number, because the mean of its divisors is an integer number (255523632).

Almost surely, 2^2728626459 is an apocalyptic number.

2728626459 is a deficient number, since it is larger than the sum of its proper divisors (1359751653).

2728626459 is a wasteful number, since it uses less digits than its factorization.

2728626459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041986.

The product of its digits is 2903040, while the sum is 51.

The square root of 2728626459 is about 52236.2561732749. The cubic root of 2728626459 is about 1397.3805541988.

The spelling of 2728626459 in words is "two billion, seven hundred twenty-eight million, six hundred twenty-six thousand, four hundred fifty-nine".