2985481993 has 8 divisors (see below), whose sum is σ = 3215624328. Its totient is φ = 2755409664.

The previous prime is 2985481957. The next prime is 2985481999. The reversal of 2985481993 is 3991845892.

It can be written as a sum of positive squares in 4 ways, for example, as 121947849 + 2863534144 = 11043^2 + 53512^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2985481993 - 2⁹ = 2985481481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2985481999) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 100671 + ... + 126907.

It is an arithmetic number, because the mean of its divisors is an integer number (401953041).

Almost surely, 2^2985481993 is an apocalyptic number.

It is an amenable number.

2985481993 is a deficient number, since it is larger than the sum of its proper divisors (230142335).

2985481993 is a wasteful number, since it uses less digits than its factorization.

2985481993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35003.

The product of its digits is 5598720, while the sum is 58.

The square root of 2985481993 is about 54639.5643558768. The cubic root of 2985481993 is about 1439.9192973355.

The spelling of 2985481993 in words is "two billion, nine hundred eighty-five million, four hundred eighty-one thousand, nine hundred ninety-three".