57075809649 has 8 divisors (see below), whose sum is σ = 76129079040. Its totient is φ = 38036540016.

The previous prime is 57075809647. The next prime is 57075809669. The reversal of 57075809649 is 94690857075.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57075809649 - 2¹ = 57075809647 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57075809592 and 57075809601.

It is not an unprimeable number, because it can be changed into a prime (57075809647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3490422 + ... + 3506735.

It is an arithmetic number, because the mean of its divisors is an integer number (9516134880).

Almost surely, 2^57075809649 is an apocalyptic number.

It is an amenable number.

57075809649 is a deficient number, since it is larger than the sum of its proper divisors (19053269391).

57075809649 is a wasteful number, since it uses less digits than its factorization.

57075809649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6999879.

The product of its (nonzero) digits is 19051200, while the sum is 60.

The spelling of 57075809649 in words is "fifty-seven billion, seventy-five million, eight hundred nine thousand, six hundred forty-nine".