2759332649 has 4 divisors (see below), whose sum is σ = 2783751636. Its totient is φ = 2734913664.

The previous prime is 2759332603. The next prime is 2759332663. The reversal of 2759332649 is 9462339572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1391812249 + 1367520400 = 37307^2 + 36980^2 .

It is a cyclic number.

It is not a de Polignac number, because 2759332649 - 2⁸ = 2759332393 is a prime.

It is a super-2 number, since 2×2759332649² = 15227833335674714402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2759332597 and 2759332606.

It is not an unprimeable number, because it can be changed into a prime (2759332699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12209324 + ... + 12209549.

It is an arithmetic number, because the mean of its divisors is an integer number (695937909).

Almost surely, 2^2759332649 is an apocalyptic number.

It is an amenable number.

2759332649 is a deficient number, since it is larger than the sum of its proper divisors (24418987).

2759332649 is a wasteful number, since it uses less digits than its factorization.

2759332649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24418986.

The product of its digits is 2449440, while the sum is 50.

The square root of 2759332649 is about 52529.3503576810. The cubic root of 2759332649 is about 1402.6027515718.

The spelling of 2759332649 in words is "two billion, seven hundred fifty-nine million, three hundred thirty-two thousand, six hundred forty-nine".