57806498349 has 24 divisors (see below), whose sum is σ = 84379281272. Its totient is φ = 38133089280.

The previous prime is 57806498329. The next prime is 57806498383. The reversal of 57806498349 is 94389460875.

57806498349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 29953224900 + 27853273449 = 173070^2 + 166893^2 .

It is not a de Polignac number, because 57806498349 - 2¹² = 57806494253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57806498329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255657 + ... + 425409.

Almost surely, 2^57806498349 is an apocalyptic number.

It is an amenable number.

57806498349 is a deficient number, since it is larger than the sum of its proper divisors (26572782923).

57806498349 is a wasteful number, since it uses less digits than its factorization.

57806498349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170157 (or 170154 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 57806498349 in words is "fifty-seven billion, eight hundred six million, four hundred ninety-eight thousand, three hundred forty-nine".