57845423819 has 2 divisors, whose sum is σ = 57845423820. Its totient is φ = 57845423818.

The previous prime is 57845423789. The next prime is 57845423843. The reversal of 57845423819 is 91832454875.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57845423819 - 2²⁰ = 57844375243 is a prime.

It is a super-2 number, since 2×57845423819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57845423849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28922711909 + 28922711910.

It is an arithmetic number, because the mean of its divisors is an integer number (28922711910).

Almost surely, 2^57845423819 is an apocalyptic number.

57845423819 is a deficient number, since it is larger than the sum of its proper divisors (1).

57845423819 is an equidigital number, since it uses as much as digits as its factorization.

57845423819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9676800, while the sum is 56.

The spelling of 57845423819 in words is "fifty-seven billion, eight hundred forty-five million, four hundred twenty-three thousand, eight hundred nineteen".