2749883319761 has 2 divisors, whose sum is σ = 2749883319762. Its totient is φ = 2749883319760.

The previous prime is 2749883319697. The next prime is 2749883319773. The reversal of 2749883319761 is 1679133889472.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2354061147025 + 395822172736 = 1534295^2 + 629144^2 .

It is a cyclic number.

It is not a de Polignac number, because 2749883319761 - 2⁶ = 2749883319697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2749883319691 and 2749883319700.

It is not a weakly prime, because it can be changed into another prime (2749883310761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374941659880 + 1374941659881.

It is an arithmetic number, because the mean of its divisors is an integer number (1374941659881).

Almost surely, 2^{2749883319761} is an apocalyptic number.

It is an amenable number.

2749883319761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2749883319761 is an equidigital number, since it uses as much as digits as its factorization.

2749883319761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 109734912, while the sum is 68.

The spelling of 2749883319761 in words is "two trillion, seven hundred forty-nine billion, eight hundred eighty-three million, three hundred nineteen thousand, seven hundred sixty-one".