57405686473 has 2 divisors, whose sum is σ = 57405686474. Its totient is φ = 57405686472.

The previous prime is 57405686467. The next prime is 57405686489. The reversal of 57405686473 is 37468650475.

57405686473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57335344704 + 70341769 = 239448^2 + 8387^2 .

It is a cyclic number.

It is not a de Polignac number, because 57405686473 - 2¹⁷ = 57405555401 is a prime.

It is not a weakly prime, because it can be changed into another prime (57405686573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28702843236 + 28702843237.

It is an arithmetic number, because the mean of its divisors is an integer number (28702843237).

Almost surely, 2^57405686473 is an apocalyptic number.

It is an amenable number.

57405686473 is a deficient number, since it is larger than the sum of its proper divisors (1).

57405686473 is an equidigital number, since it uses as much as digits as its factorization.

57405686473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16934400, while the sum is 55.

The spelling of 57405686473 in words is "fifty-seven billion, four hundred five million, six hundred eighty-six thousand, four hundred seventy-three".