2731446661244 has 12 divisors (see below), whose sum is σ = 5462893322544. Its totient is φ = 1170619997664.

The previous prime is 2731446661241. The next prime is 2731446661261. The reversal of 2731446661244 is 4421666441372.

2731446661244 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2731446661192 and 2731446661201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731446661241) 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, 48775833209 + ... + 48775833264.

It is an arithmetic number, because the mean of its divisors is an integer number (455241110212).

Almost surely, 2^{2731446661244} is an apocalyptic number.

It is an amenable number.

2731446661244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2731446661244 is a wasteful number, since it uses less digits than its factorization.

2731446661244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97551666484 (or 97551666482 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 50.

The spelling of 2731446661244 in words is "two trillion, seven hundred thirty-one billion, four hundred forty-six million, six hundred sixty-one thousand, two hundred forty-four".