2756359649 has 2 divisors, whose sum is σ = 2756359650. Its totient is φ = 2756359648.

The previous prime is 2756359631. The next prime is 2756359687. The reversal of 2756359649 is 9469536572.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1549839424 + 1206520225 = 39368^2 + 34735^2 .

It is a cyclic number.

It is not a de Polignac number, because 2756359649 - 2¹⁶ = 2756294113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2756359594 and 2756359603.

It is not a weakly prime, because it can be changed into another prime (2756359049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378179824 + 1378179825.

It is an arithmetic number, because the mean of its divisors is an integer number (1378179825).

Almost surely, 2^2756359649 is an apocalyptic number.

It is an amenable number.

2756359649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2756359649 is an equidigital number, since it uses as much as digits as its factorization.

2756359649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12247200, while the sum is 56.

The square root of 2756359649 is about 52501.0442658048. The cubic root of 2756359649 is about 1402.0988330500.

The spelling of 2756359649 in words is "two billion, seven hundred fifty-six million, three hundred fifty-nine thousand, six hundred forty-nine".