4843881989 has 4 divisors (see below), whose sum is σ = 4852578924. Its totient is φ = 4835185056.

The previous prime is 4843881953. The next prime is 4843882003. The reversal of 4843881989 is 9891883484.

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 2866745764 + 1977136225 = 53542^2 + 44465^2 .

It is a cyclic number.

It is not a de Polignac number, because 4843881989 - 2¹² = 4843877893 is a prime.

It is a super-2 number, since 2×4843881989² = 46926385446717192242, which 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 (4843881929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4347632 + ... + 4348745.

It is an arithmetic number, because the mean of its divisors is an integer number (1213144731).

Almost surely, 2^4843881989 is an apocalyptic number.

It is an amenable number.

4843881989 is a deficient number, since it is larger than the sum of its proper divisors (8696935).

4843881989 is an equidigital number, since it uses as much as digits as its factorization.

4843881989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8696934.

The product of its digits is 15925248, while the sum is 62.

The square root of 4843881989 is about 69598.0027658840. The cubic root of 4843881989 is about 1691.9902312877.

The spelling of 4843881989 in words is "four billion, eight hundred forty-three million, eight hundred eighty-one thousand, nine hundred eighty-nine".