6540462579 has 8 divisors (see below), whose sum is σ = 9966419200. Its totient is φ = 3737407176.

The previous prime is 6540462569. The next prime is 6540462601. The reversal of 6540462579 is 9752640456.

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

It is not a de Polignac number, because 6540462579 - 2¹⁷ = 6540331507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6540462569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155725279 + ... + 155725320.

It is an arithmetic number, because the mean of its divisors is an integer number (1245802400).

Almost surely, 2^6540462579 is an apocalyptic number.

6540462579 is a deficient number, since it is larger than the sum of its proper divisors (3425956621).

6540462579 is a wasteful number, since it uses less digits than its factorization.

6540462579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311450609.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The square root of 6540462579 is about 80873.1264327032. The cubic root of 6540462579 is about 1870.1200585409.

The spelling of 6540462579 in words is "six billion, five hundred forty million, four hundred sixty-two thousand, five hundred seventy-nine".