4848385961989 has 4 divisors (see below), whose sum is σ = 4849693160620. Its totient is φ = 4847078763360.

The previous prime is 4848385961981. The next prime is 4848385962011. The reversal of 4848385961989 is 9891695838484.

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 1103638493764 + 3744747468225 = 1050542^2 + 1935135^2 .

It is a cyclic number.

It is not a de Polignac number, because 4848385961989 - 2³ = 4848385961981 is a prime.

It is a super-2 number, since 2×4848385961989² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4848385961981) 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 3 ways as a sum of consecutive naturals, for example, 653593752 + ... + 653601169.

It is an arithmetic number, because the mean of its divisors is an integer number (1212423290155).

Almost surely, 2^{4848385961989} is an apocalyptic number.

It is an amenable number.

4848385961989 is a deficient number, since it is larger than the sum of its proper divisors (1307198631).

4848385961989 is a wasteful number, since it uses less digits than its factorization.

4848385961989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307198630.

The product of its digits is 4299816960, while the sum is 82.

The spelling of 4848385961989 in words is "four trillion, eight hundred forty-eight billion, three hundred eighty-five million, nine hundred sixty-one thousand, nine hundred eighty-nine".