2738547247 has 2 divisors, whose sum is σ = 2738547248. Its totient is φ = 2738547246.

The previous prime is 2738547191. The next prime is 2738547257. The reversal of 2738547247 is 7427458372.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2738547247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2738547247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2738547257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1369273623 + 1369273624.

It is an arithmetic number, because the mean of its divisors is an integer number (1369273624).

Almost surely, 2^2738547247 is an apocalyptic number.

2738547247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2738547247 is an equidigital number, since it uses as much as digits as its factorization.

2738547247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2634240, while the sum is 49.

The square root of 2738547247 is about 52331.1307636286. The cubic root of 2738547247 is about 1399.0720461200.

The spelling of 2738547247 in words is "two billion, seven hundred thirty-eight million, five hundred forty-seven thousand, two hundred forty-seven".