2985255985 has 4 divisors (see below), whose sum is σ = 3582307188. Its totient is φ = 2388204784.

The previous prime is 2985255979. The next prime is 2985256007. The reversal of 2985255985 is 5895525892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 928542784 + 2056713201 = 30472^2 + 45351^2 .

It is a cyclic number.

It is not a de Polignac number, because 2985255985 - 2⁷ = 2985255857 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 3 ways as a sum of consecutive naturals, for example, 298525594 + ... + 298525603.

It is an arithmetic number, because the mean of its divisors is an integer number (895576797).

Almost surely, 2^2985255985 is an apocalyptic number.

It is an amenable number.

2985255985 is a deficient number, since it is larger than the sum of its proper divisors (597051203).

2985255985 is an equidigital number, since it uses as much as digits as its factorization.

2985255985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597051202.

The product of its digits is 12960000, while the sum is 58.

The square root of 2985255985 is about 54637.4961450468. The cubic root of 2985255985 is about 1439.8829613275.

The spelling of 2985255985 in words is "two billion, nine hundred eighty-five million, two hundred fifty-five thousand, nine hundred eighty-five".