2745772247 has 2 divisors, whose sum is σ = 2745772248. Its totient is φ = 2745772246.

The previous prime is 2745772231. The next prime is 2745772283. The reversal of 2745772247 is 7422775472.

2745772247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2745772247 - 2⁴ = 2745772231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2745771247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1372886123 + 1372886124.

It is an arithmetic number, because the mean of its divisors is an integer number (1372886124).

Almost surely, 2^2745772247 is an apocalyptic number.

2745772247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2745772247 is an equidigital number, since it uses as much as digits as its factorization.

2745772247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536640, while the sum is 47.

The square root of 2745772247 is about 52400.1168605567. The cubic root of 2745772247 is about 1400.3013376861.

The spelling of 2745772247 in words is "two billion, seven hundred forty-five million, seven hundred seventy-two thousand, two hundred forty-seven".