2772451791 has 12 divisors (see below), whose sum is σ = 4031531400. Its totient is φ = 1835895600.

The previous prime is 2772451771. The next prime is 2772451793. The reversal of 2772451791 is 1971542772.

2772451791 is a `hidden beast` number, since 27 + 7 + 24 + 517 + 91 = 666.

It is not a de Polignac number, because 2772451791 - 2⁷ = 2772451663 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772451793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1032385 + ... + 1035066.

It is an arithmetic number, because the mean of its divisors is an integer number (335960950).

Almost surely, 2^2772451791 is an apocalyptic number.

2772451791 is a deficient number, since it is larger than the sum of its proper divisors (1259079609).

2772451791 is a wasteful number, since it uses less digits than its factorization.

2772451791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067606 (or 2067603 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The square root of 2772451791 is about 52654.0766797786. The cubic root of 2772451791 is about 1404.8221117810.

The spelling of 2772451791 in words is "two billion, seven hundred seventy-two million, four hundred fifty-one thousand, seven hundred ninety-one".