57680559149 has 4 divisors (see below), whose sum is σ = 57813771036. Its totient is φ = 57547347264.

The previous prime is 57680559127. The next prime is 57680559151. The reversal of 57680559149 is 94195508675.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20698576900 + 36981982249 = 143870^2 + 192307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57680559149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57680559109) 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, 66605294 + ... + 66606159.

It is an arithmetic number, because the mean of its divisors is an integer number (14453442759).

Almost surely, 2^57680559149 is an apocalyptic number.

It is an amenable number.

57680559149 is a deficient number, since it is larger than the sum of its proper divisors (133211887).

57680559149 is a wasteful number, since it uses less digits than its factorization.

57680559149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133211886.

The product of its (nonzero) digits is 13608000, while the sum is 59.

The spelling of 57680559149 in words is "fifty-seven billion, six hundred eighty million, five hundred fifty-nine thousand, one hundred forty-nine".