57143342869 has 2 divisors, whose sum is σ = 57143342870. Its totient is φ = 57143342868.

The previous prime is 57143342849. The next prime is 57143342873. The reversal of 57143342869 is 96824334175.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54042300900 + 3101041969 = 232470^2 + 55687^2 .

It is a cyclic number.

It is not a de Polignac number, because 57143342869 - 2²¹ = 57141245717 is a prime.

It is a super-2 number, since 2×57143342869² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57143342849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28571671434 + 28571671435.

It is an arithmetic number, because the mean of its divisors is an integer number (28571671435).

Almost surely, 2^57143342869 is an apocalyptic number.

It is an amenable number.

57143342869 is a deficient number, since it is larger than the sum of its proper divisors (1).

57143342869 is an equidigital number, since it uses as much as digits as its factorization.

57143342869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 52.

The spelling of 57143342869 in words is "fifty-seven billion, one hundred forty-three million, three hundred forty-two thousand, eight hundred sixty-nine".