2609317485 has 48 divisors (see below), whose sum is σ = 4696801200. Its totient is φ = 1338473472.

The previous prime is 2609317483. The next prime is 2609317507. The reversal of 2609317485 is 5847139062.

2609317485 is a `hidden beast` number, since 2 + 609 + 31 + 7 + 4 + 8 + 5 = 666.

2609317485 is digitally balanced in base 2 and base 10, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 810370089 + 1798947396 = 28467^2 + 42414^2 .

It is not a de Polignac number, because 2609317485 - 2¹ = 2609317483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

2609317485 is strictly pandigital in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2609317485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2609317483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 347329 + ... + 354761.

It is an arithmetic number, because the mean of its divisors is an integer number (97850025).

It is a 2-persistent number, because it is pandigital, and so is 2⋅2609317485 = 5218634970, but 3⋅2609317485 = 7827952455 is not.

Almost surely, 2^2609317485 is an apocalyptic number.

It is an amenable number.

2609317485 is a deficient number, since it is larger than the sum of its proper divisors (2087483715).

2609317485 is a wasteful number, since it uses less digits than its factorization.

2609317485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7742 (or 7739 counting only the distinct ones).

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

The square root of 2609317485 is about 51081.4788842297. The cubic root of 2609317485 is about 1376.7094964530.

The spelling of 2609317485 in words is "two billion, six hundred nine million, three hundred seventeen thousand, four hundred eighty-five".