2647275457 has 2 divisors, whose sum is σ = 2647275458. Its totient is φ = 2647275456.

The previous prime is 2647275451. The next prime is 2647275467. The reversal of 2647275457 is 7545727462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2646485136 + 790321 = 51444^2 + 889^2 .

It is a cyclic number.

It is not a de Polignac number, because 2647275457 - 2¹⁹ = 2646751169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2647275457.

It is not a weakly prime, because it can be changed into another prime (2647275451) 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, 1323637728 + 1323637729.

It is an arithmetic number, because the mean of its divisors is an integer number (1323637729).

Almost surely, 2^2647275457 is an apocalyptic number.

It is an amenable number.

2647275457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2647275457 is an equidigital number, since it uses as much as digits as its factorization.

2647275457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3292800, while the sum is 49.

The square root of 2647275457 is about 51451.6807985900. The cubic root of 2647275457 is about 1383.3530897583.

The spelling of 2647275457 in words is "two billion, six hundred forty-seven million, two hundred seventy-five thousand, four hundred fifty-seven".