2729775044 has 6 divisors (see below), whose sum is σ = 4777106334. Its totient is φ = 1364887520.

The previous prime is 2729775043. The next prime is 2729775143. The reversal of 2729775044 is 4405779272.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2178088900 + 551686144 = 46670^2 + 23488^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2729775044.

It is not an unprimeable number, because it can be changed into a prime (2729775043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341221877 + ... + 341221884.

It is an arithmetic number, because the mean of its divisors is an integer number (796184389).

Almost surely, 2^2729775044 is an apocalyptic number.

It is an amenable number.

2729775044 is a deficient number, since it is larger than the sum of its proper divisors (2047331290).

2729775044 is a wasteful number, since it uses less digits than its factorization.

2729775044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682443765 (or 682443763 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 47.

The square root of 2729775044 is about 52247.2491524673. The cubic root of 2729775044 is about 1397.5765973016.

The spelling of 2729775044 in words is "two billion, seven hundred twenty-nine million, seven hundred seventy-five thousand, forty-four".