2772828613 has 4 divisors (see below), whose sum is σ = 2825146188. Its totient is φ = 2720511040.

The previous prime is 2772828601. The next prime is 2772828629. The reversal of 2772828613 is 3168282772.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 665743204 + 2107085409 = 25802^2 + 45903^2 .

It is a cyclic number.

It is not a de Polignac number, because 2772828613 - 2⁹ = 2772828101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772828313) 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, 26158708 + ... + 26158813.

It is an arithmetic number, because the mean of its divisors is an integer number (706286547).

Almost surely, 2^2772828613 is an apocalyptic number.

It is an amenable number.

2772828613 is a deficient number, since it is larger than the sum of its proper divisors (52317575).

2772828613 is an equidigital number, since it uses as much as digits as its factorization.

2772828613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52317574.

The product of its digits is 451584, while the sum is 46.

The square root of 2772828613 is about 52657.6548376397. The cubic root of 2772828613 is about 1404.8857550753.

The spelling of 2772828613 in words is "two billion, seven hundred seventy-two million, eight hundred twenty-eight thousand, six hundred thirteen".