2798585465 has 16 divisors (see below), whose sum is σ = 3714383568. Its totient is φ = 2010790656.

The previous prime is 2798585417. The next prime is 2798585479. The reversal of 2798585465 is 5645858972.

It can be written as a sum of positive squares in 8 ways, for example, as 433514041 + 2365071424 = 20821^2 + 48632^2 .

It is a cyclic number.

It is not a de Polignac number, because 2798585465 - 2⁶ = 2798585401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579422 + ... + 584231.

It is an arithmetic number, because the mean of its divisors is an integer number (232148973).

Almost surely, 2^2798585465 is an apocalyptic number.

It is an amenable number.

2798585465 is a deficient number, since it is larger than the sum of its proper divisors (915798103).

2798585465 is a wasteful number, since it uses less digits than its factorization.

2798585465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163708.

The product of its digits is 24192000, while the sum is 59.

The square root of 2798585465 is about 52901.6584333610. The cubic root of 2798585465 is about 1409.2223576064. Note that the first 3 decimals are identical.

The spelling of 2798585465 in words is "two billion, seven hundred ninety-eight million, five hundred eighty-five thousand, four hundred sixty-five".