2681336744 has 8 divisors (see below), whose sum is σ = 5027506410. Its totient is φ = 1340668368.

The previous prime is 2681336743. The next prime is 2681336771. The reversal of 2681336744 is 4476331862.

It can be written as a sum of positive squares in only one way, i.e., 1431714244 + 1249622500 = 37838^2 + 35350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2681336695 and 2681336704.

It is not an unprimeable number, because it can be changed into a prime (2681336741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167583539 + ... + 167583554.

Almost surely, 2^2681336744 is an apocalyptic number.

It is an amenable number.

2681336744 is a deficient number, since it is larger than the sum of its proper divisors (2346169666).

2681336744 is a wasteful number, since it uses less digits than its factorization.

2681336744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335167099 (or 335167095 counting only the distinct ones).

The product of its digits is 580608, while the sum is 44.

The square root of 2681336744 is about 51781.6255442025. The cubic root of 2681336744 is about 1389.2608156830.

The spelling of 2681336744 in words is "two billion, six hundred eighty-one million, three hundred thirty-six thousand, seven hundred forty-four".