2750505647 has 2 divisors, whose sum is σ = 2750505648. Its totient is φ = 2750505646.

The previous prime is 2750505559. The next prime is 2750505697. The reversal of 2750505647 is 7465050572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2750505647 - 2⁸ = 2750505391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2750505697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375252823 + 1375252824.

It is an arithmetic number, because the mean of its divisors is an integer number (1375252824).

Almost surely, 2^2750505647 is an apocalyptic number.

2750505647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750505647 is an equidigital number, since it uses as much as digits as its factorization.

2750505647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294000, while the sum is 41.

The square root of 2750505647 is about 52445.2633418882. The cubic root of 2750505647 is about 1401.1055293247.

The spelling of 2750505647 in words is "two billion, seven hundred fifty million, five hundred five thousand, six hundred forty-seven".