2772688213 has 4 divisors (see below), whose sum is σ = 2774561868. Its totient is φ = 2770814560.

The previous prime is 2772688211. The next prime is 2772688223. The reversal of 2772688213 is 3128862772.

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 348307569 + 2424380644 = 18663^2 + 49238^2 .

It is a cyclic number.

It is not a de Polignac number, because 2772688213 - 2¹ = 2772688211 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 (2772688211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934606 + ... + 937567.

It is an arithmetic number, because the mean of its divisors is an integer number (693640467).

Almost surely, 2^2772688213 is an apocalyptic number.

It is an amenable number.

2772688213 is a deficient number, since it is larger than the sum of its proper divisors (1873655).

2772688213 is a wasteful number, since it uses less digits than its factorization.

2772688213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873654.

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

The square root of 2772688213 is about 52656.3216812568. The cubic root of 2772688213 is about 1404.8620429127.

The spelling of 2772688213 in words is "two billion, seven hundred seventy-two million, six hundred eighty-eight thousand, two hundred thirteen".