5891441985 has 128 divisors (see below), whose sum is σ = 12463718400. Its totient is φ = 2602679040.

The previous prime is 5891441981. The next prime is 5891442013.

5891441985 is a `hidden beast` number, since 589 + 1 + 44 + 19 + 8 + 5 = 666.

5891441985 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5891441985 - 2² = 5891441981 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5891441981) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1523164 + ... + 1527026.

It is an arithmetic number, because the mean of its divisors is an integer number (97372800).

Almost surely, 2^5891441985 is an apocalyptic number.

5891441985 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5891441985 is an abundant number, since it is smaller than the sum of its proper divisors (6572276415).

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

5891441985 is a wasteful number, since it uses less digits than its factorization.

5891441985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980 (or 3974 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 54.

The square root of 5891441985 is about 76755.7293301288. The cubic root of 5891441985 is about 1806.0947704708.

The spelling of 5891441985 in words is "five billion, eight hundred ninety-one million, four hundred forty-one thousand, nine hundred eighty-five".