65570670700657 has 2 divisors, whose sum is σ = 65570670700658. Its totient is φ = 65570670700656.

The previous prime is 65570670700583. The next prime is 65570670700669. The reversal of 65570670700657 is 75600707607556.

It is a happy number.

65570670700657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35349219961441 + 30221450739216 = 5945521^2 + 5497404^2 .

It is a cyclic number.

It is not a de Polignac number, because 65570670700657 - 2²³ = 65570662312049 is a prime.

It is a super-2 number, since 2×65570670700657² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65570670700595 and 65570670700604.

It is not a weakly prime, because it can be changed into another prime (65570670706657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32785335350328 + 32785335350329.

It is an arithmetic number, because the mean of its divisors is an integer number (32785335350329).

Almost surely, 2^{65570670700657} is an apocalyptic number.

It is an amenable number.

65570670700657 is a deficient number, since it is larger than the sum of its proper divisors (1).

65570670700657 is an equidigital number, since it uses as much as digits as its factorization.

65570670700657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64827000, while the sum is 61.

The spelling of 65570670700657 in words is "sixty-five trillion, five hundred seventy billion, six hundred seventy million, seven hundred thousand, six hundred fifty-seven".