2742248647 has 2 divisors, whose sum is σ = 2742248648. Its totient is φ = 2742248646.

The previous prime is 2742248611. The next prime is 2742248653. The reversal of 2742248647 is 7468422472.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2742248647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2742248597 and 2742248606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2742248657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371124323 + 1371124324.

It is an arithmetic number, because the mean of its divisors is an integer number (1371124324).

Almost surely, 2^2742248647 is an apocalyptic number.

2742248647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742248647 is an equidigital number, since it uses as much as digits as its factorization.

2742248647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1204224, while the sum is 46.

The square root of 2742248647 is about 52366.4840045615. The cubic root of 2742248647 is about 1399.7020874606.

The spelling of 2742248647 in words is "two billion, seven hundred forty-two million, two hundred forty-eight thousand, six hundred forty-seven".