2756740331 has 2 divisors, whose sum is σ = 2756740332. Its totient is φ = 2756740330.

The previous prime is 2756740297. The next prime is 2756740333. The reversal of 2756740331 is 1330476572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2756740331 - 2³⁰ = 1682998507 is a prime.

It is a super-2 number, since 2×2756740331² = 15199234505123979122, which contains 22 as substring.

Together with 2756740333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2756740333) 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 as a sum of consecutive naturals, namely, 1378370165 + 1378370166.

It is an arithmetic number, because the mean of its divisors is an integer number (1378370166).

Almost surely, 2^2756740331 is an apocalyptic number.

2756740331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2756740331 is an equidigital number, since it uses as much as digits as its factorization.

2756740331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 2756740331 is about 52504.6696113784. The cubic root of 2756740331 is about 1402.1633782334.

The spelling of 2756740331 in words is "two billion, seven hundred fifty-six million, seven hundred forty thousand, three hundred thirty-one".