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57716644697 is a prime number
BaseRepresentation
bin110101110000001011…
…100001101101011001
312111222101001100010022
4311300023201231121
51421200430112242
642303100000225
74112162246105
oct656013415531
9174871040108
1057716644697
11225285a5468
12b229230075
13559a69218a
142b17518905
15177c06d0d2
hexd702e1b59

57716644697 has 2 divisors, whose sum is σ = 57716644698. Its totient is φ = 57716644696.

The previous prime is 57716644691. The next prime is 57716644721. The reversal of 57716644697 is 79644661775.

57716644697 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 can be written as a sum of positive squares in only one way, i.e., 40812484441 + 16904160256 = 202021^2 + 130016^2 .

It is a cyclic number.

It is not a de Polignac number, because 57716644697 - 214 = 57716628313 is a prime.

It is a super-2 number, since 2×577166446972 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57716644691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28858322348 + 28858322349.

It is an arithmetic number, because the mean of its divisors is an integer number (28858322349).

Almost surely, 257716644697 is an apocalyptic number.

It is an amenable number.

57716644697 is a deficient number, since it is larger than the sum of its proper divisors (1).

57716644697 is an equidigital number, since it uses as much as digits as its factorization.

57716644697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53343360, while the sum is 62.

The spelling of 57716644697 in words is "fifty-seven billion, seven hundred sixteen million, six hundred forty-four thousand, six hundred ninety-seven".