4891389127 has 8 divisors (see below), whose sum is σ = 5233238960. Its totient is φ = 4557980160.

The previous prime is 4891389121. The next prime is 4891389137. The reversal of 4891389127 is 7219831984.

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 4891389127 - 2¹¹ = 4891387079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4891389121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2109018 + ... + 2111335.

It is an arithmetic number, because the mean of its divisors is an integer number (654154870).

Almost surely, 2^4891389127 is an apocalyptic number.

4891389127 is a deficient number, since it is larger than the sum of its proper divisors (341849833).

4891389127 is a wasteful number, since it uses less digits than its factorization.

4891389127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220433.

The product of its digits is 870912, while the sum is 52.

The square root of 4891389127 is about 69938.4667189666. The cubic root of 4891389127 is about 1697.5037327184.

The spelling of 4891389127 in words is "four billion, eight hundred ninety-one million, three hundred eighty-nine thousand, one hundred twenty-seven".