5705656657 has 2 divisors, whose sum is σ = 5705656658. Its totient is φ = 5705656656.

The previous prime is 5705656643. The next prime is 5705656679. The reversal of 5705656657 is 7566565075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4018418881 + 1687237776 = 63391^2 + 41076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5705656657 is a prime.

It is not a weakly prime, because it can be changed into another prime (5705656157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2852828328 + 2852828329.

It is an arithmetic number, because the mean of its divisors is an integer number (2852828329).

Almost surely, 2^5705656657 is an apocalyptic number.

It is an amenable number.

5705656657 is a deficient number, since it is larger than the sum of its proper divisors (1).

5705656657 is an equidigital number, since it uses as much as digits as its factorization.

5705656657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6615000, while the sum is 52.

The square root of 5705656657 is about 75535.7971891473. The cubic root of 5705656657 is about 1786.9067032693.

The spelling of 5705656657 in words is "five billion, seven hundred five million, six hundred fifty-six thousand, six hundred fifty-seven".