2744657243 has 2 divisors, whose sum is σ = 2744657244. Its totient is φ = 2744657242.

The previous prime is 2744657239. The next prime is 2744657257. The reversal of 2744657243 is 3427564472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2744657243 - 2² = 2744657239 is a prime.

It is a super-2 number, since 2×2744657243² = 15066286763104722098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2744657194 and 2744657203.

It is not a weakly prime, because it can be changed into another prime (2744657213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1372328621 + 1372328622.

It is an arithmetic number, because the mean of its divisors is an integer number (1372328622).

Almost surely, 2^2744657243 is an apocalyptic number.

2744657243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2744657243 is an equidigital number, since it uses as much as digits as its factorization.

2744657243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 44.

The square root of 2744657243 is about 52389.4764528145. The cubic root of 2744657243 is about 1400.1117670974. Note that the first 3 decimals are identical.

The spelling of 2744657243 in words is "two billion, seven hundred forty-four million, six hundred fifty-seven thousand, two hundred forty-three".