7285134609 has 27 divisors (see below), whose sum is σ = 11009284923. Its totient is φ = 4641837552.

The previous prime is 7285134587. The next prime is 7285134611. The reversal of 7285134609 is 9064315827.

The square root of 7285134609 is 85353.

It is a perfect power (a square), and thus also a powerful number.

7285134609 is a `hidden beast` number, since 7 + 2 + 8 + 5 + 1 + 34 + 609 = 666.

7285134609 is digitally balanced in base 10, 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 only one way, i.e., 5501930625 + 1783203984 = 74175^2 + 42228^2 .

It is not a de Polignac number, because 7285134609 - 2²¹ = 7283037457 is a prime.

7285134609 is strictly pandigital in base 10.

It is not an unprimeable number, because it can be changed into a prime (7285534609) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5888739 + ... + 5889975.

It is a 1-persistent number, because it is pandigital, but 2⋅7285134609 = 14570269218 is not.

Almost surely, 2^7285134609 is an apocalyptic number.

7285134609 is the 85353-rd square number.

7285134609 is the 42677-th centered octagonal number.

It is an amenable number.

7285134609 is a deficient number, since it is larger than the sum of its proper divisors (3724150314).

7285134609 is an equidigital number, since it uses as much as digits as its factorization.

7285134609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The cubic root of 7285134609 is about 1938.5597601246.

The spelling of 7285134609 in words is "seven billion, two hundred eighty-five million, one hundred thirty-four thousand, six hundred nine".