5424128985 has 32 divisors (see below), whose sum is σ = 9879211008. Its totient is φ = 2515536320.

The previous prime is 5424128977. The next prime is 5424129017. The reversal of 5424128985 is 5898214245.

It is not a de Polignac number, because 5424128985 - 2³ = 5424128977 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 710847 + ... + 718436.

It is an arithmetic number, because the mean of its divisors is an integer number (308725344).

Almost surely, 2^5424128985 is an apocalyptic number.

5424128985 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5424128985 is a deficient number, since it is larger than the sum of its proper divisors (4455082023).

5424128985 is a wasteful number, since it uses less digits than its factorization.

5424128985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429325.

The product of its digits is 921600, while the sum is 48.

The square root of 5424128985 is about 73648.6862408285. The cubic root of 5424128985 is about 1757.0198560634.

The spelling of 5424128985 in words is "five billion, four hundred twenty-four million, one hundred twenty-eight thousand, nine hundred eighty-five".