6424543491 has 8 divisors (see below), whose sum is σ = 9069943824. Its totient is φ = 4031086080.

The previous prime is 6424543459. The next prime is 6424543513. The reversal of 6424543491 is 1943454246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6424543491 - 2⁵ = 6424543459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6424541491) 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, 62985670 + ... + 62985771.

It is an arithmetic number, because the mean of its divisors is an integer number (1133742978).

Almost surely, 2^6424543491 is an apocalyptic number.

6424543491 is a deficient number, since it is larger than the sum of its proper divisors (2645400333).

6424543491 is a wasteful number, since it uses less digits than its factorization.

6424543491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125971461.

The product of its digits is 414720, while the sum is 42.

The square root of 6424543491 is about 80153.2500339194. The cubic root of 6424543491 is about 1859.0058558931.

The spelling of 6424543491 in words is "six billion, four hundred twenty-four million, five hundred forty-three thousand, four hundred ninety-one".