5857142857109 has 2 divisors, whose sum is σ = 5857142857110. Its totient is φ = 5857142857108.

The previous prime is 5857142857079. The next prime is 5857142857249. The reversal of 5857142857109 is 9017582417585.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5857126022500 + 16834609 = 2420150^2 + 4103^2 .

It is a cyclic number.

It is not a de Polignac number, because 5857142857109 - 2²⁰ = 5857141808533 is a prime.

It is a super-2 number, since 2×5857142857109² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5857142847109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2928571428554 + 2928571428555.

It is an arithmetic number, because the mean of its divisors is an integer number (2928571428555).

Almost surely, 2^{5857142857109} is an apocalyptic number.

It is an amenable number.

5857142857109 is a deficient number, since it is larger than the sum of its proper divisors (1).

5857142857109 is an equidigital number, since it uses as much as digits as its factorization.

5857142857109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224000, while the sum is 62.

The spelling of 5857142857109 in words is "five trillion, eight hundred fifty-seven billion, one hundred forty-two million, eight hundred fifty-seven thousand, one hundred nine".