2485733985 has 72 divisors (see below), whose sum is σ = 5185014120. Its totient is φ = 1097123328.

The previous prime is 2485733959. The next prime is 2485733989. The reversal of 2485733985 is 5893375842.

2485733985 is a `hidden beast` number, since 2 + 485 + 73 + 3 + 98 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 997549056 + 1488184929 = 31584^2 + 38577^2 .

It is not a de Polignac number, because 2485733985 - 2⁵ = 2485733953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2485733989) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 44509 + ... + 83381.

It is an arithmetic number, because the mean of its divisors is an integer number (72014085).

Almost surely, 2^2485733985 is an apocalyptic number.

It is an amenable number.

2485733985 is an abundant number, since it is smaller than the sum of its proper divisors (2699280135).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2485733985 is a wasteful number, since it uses less digits than its factorization.

2485733985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38927 (or 38917 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The square root of 2485733985 is about 49857.1357480552. The cubic root of 2485733985 is about 1354.6222872987.

The spelling of 2485733985 in words is "two billion, four hundred eighty-five million, seven hundred thirty-three thousand, nine hundred eighty-five".