57719069849 has 24 divisors (see below), whose sum is σ = 69733986048. Its totient is φ = 47583637920.

The previous prime is 57719069843. The next prime is 57719069867. The reversal of 57719069849 is 94896091775.

It is not a de Polignac number, because 57719069849 - 2²⁸ = 57450634393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57719069843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131039 + ... + 364155.

It is an arithmetic number, because the mean of its divisors is an integer number (2905582752).

Almost surely, 2^57719069849 is an apocalyptic number.

It is an amenable number.

57719069849 is a deficient number, since it is larger than the sum of its proper divisors (12014916199).

57719069849 is a wasteful number, since it uses less digits than its factorization.

57719069849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233325 (or 233318 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 65.

The spelling of 57719069849 in words is "fifty-seven billion, seven hundred nineteen million, sixty-nine thousand, eight hundred forty-nine".