6427459491 has 8 divisors (see below), whose sum is σ = 8573887680. Its totient is φ = 4283002152.

The previous prime is 6427459483. The next prime is 6427459537. The reversal of 6427459491 is 1949547246.

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

It is not a de Polignac number, because 6427459491 - 2³ = 6427459483 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6427459421) 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, 485085 + ... + 498158.

It is an arithmetic number, because the mean of its divisors is an integer number (1071735960).

Almost surely, 2^6427459491 is an apocalyptic number.

6427459491 is a deficient number, since it is larger than the sum of its proper divisors (2146428189).

6427459491 is a wasteful number, since it uses less digits than its factorization.

6427459491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985425.

The product of its digits is 2177280, while the sum is 51.

The square root of 6427459491 is about 80171.4381248085. The cubic root of 6427459491 is about 1859.2870712636.

The spelling of 6427459491 in words is "six billion, four hundred twenty-seven million, four hundred fifty-nine thousand, four hundred ninety-one".