57186438475473 has 6 divisors (see below), whose sum is σ = 82602633353474. Its totient is φ = 38124292316976.

The previous prime is 57186438475469. The next prime is 57186438475493. The reversal of 57186438475473 is 37457483468175.

57186438475473 is a `hidden beast` number, since 5 + 7 + 1 + 8 + 6 + 4 + 3 + 84 + 75 + 473 = 666.

It can be written as a sum of positive squares in only one way, i.e., 57001110808464 + 185327667009 = 7549908^2 + 430497^2 .

It is not a de Polignac number, because 57186438475473 - 2² = 57186438475469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57186438475433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3177024359740 + ... + 3177024359757.

Almost surely, 2^{57186438475473} is an apocalyptic number.

It is an amenable number.

57186438475473 is a deficient number, since it is larger than the sum of its proper divisors (25416194878001).

57186438475473 is a wasteful number, since it uses less digits than its factorization.

57186438475473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6354048719503 (or 6354048719500 counting only the distinct ones).

The product of its digits is 1896652800, while the sum is 72.

The spelling of 57186438475473 in words is "fifty-seven trillion, one hundred eighty-six billion, four hundred thirty-eight million, four hundred seventy-five thousand, four hundred seventy-three".