5187145473 has 10 divisors (see below), whose sum is σ = 7748698914. Its totient is φ = 3458096928.

The previous prime is 5187145471. The next prime is 5187145487. The reversal of 5187145473 is 3745417815.

5187145473 is a `hidden beast` number, since 51 + 87 + 1 + 454 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3519811584 + 1667333889 = 59328^2 + 40833^2 .

It is not a de Polignac number, because 5187145473 - 2¹ = 5187145471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5187145471) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 32019336 + ... + 32019497.

Almost surely, 2^5187145473 is an apocalyptic number.

It is an amenable number.

5187145473 is a deficient number, since it is larger than the sum of its proper divisors (2561553441).

5187145473 is an equidigital number, since it uses as much as digits as its factorization.

5187145473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64038845 (or 64038836 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 5187145473 is about 72021.8402500242. The cubic root of 5187145473 is about 1731.0494565795.

It can be divided in two parts, 51871 and 45473, that added together give a square (97344 = 312²).

The spelling of 5187145473 in words is "five billion, one hundred eighty-seven million, one hundred forty-five thousand, four hundred seventy-three".