57143342857 has 4 divisors (see below), whose sum is σ = 57144370960. Its totient is φ = 57142314756.

The previous prime is 57143342849. The next prime is 57143342869. The reversal of 57143342857 is 75824334175.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57143342857 - 2³ = 57143342849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57143342857.

It is not an unprimeable number, because it can be changed into a prime (57143342057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425607 + ... + 543532.

It is an arithmetic number, because the mean of its divisors is an integer number (14286092740).

Almost surely, 2^57143342857 is an apocalyptic number.

It is an amenable number.

57143342857 is a deficient number, since it is larger than the sum of its proper divisors (1028103).

57143342857 is an equidigital number, since it uses as much as digits as its factorization.

57143342857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028102.

The product of its digits is 2822400, while the sum is 49.

The spelling of 57143342857 in words is "fifty-seven billion, one hundred forty-three million, three hundred forty-two thousand, eight hundred fifty-seven".