6542486299 has 4 divisors (see below), whose sum is σ = 6544973736. Its totient is φ = 6539998864.

The previous prime is 6542486297. The next prime is 6542486351. The reversal of 6542486299 is 9926842456.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6542486299 - 2¹ = 6542486297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6542486297) 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 3 ways as a sum of consecutive naturals, for example, 1239769 + ... + 1245034.

It is an arithmetic number, because the mean of its divisors is an integer number (1636243434).

Almost surely, 2^6542486299 is an apocalyptic number.

6542486299 is a deficient number, since it is larger than the sum of its proper divisors (2487437).

6542486299 is a wasteful number, since it uses less digits than its factorization.

6542486299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487436.

The product of its digits is 7464960, while the sum is 55.

The square root of 6542486299 is about 80885.6371613651. The cubic root of 6542486299 is about 1870.3129199810.

The spelling of 6542486299 in words is "six billion, five hundred forty-two million, four hundred eighty-six thousand, two hundred ninety-nine".