4542849851 has 4 divisors (see below), whose sum is σ = 4558354752. Its totient is φ = 4527344952.

The previous prime is 4542849841. The next prime is 4542849863. The reversal of 4542849851 is 1589482454.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4542849851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4542849851.

It is not an unprimeable number, because it can be changed into a prime (4542849841) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7752011 + ... + 7752596.

It is an arithmetic number, because the mean of its divisors is an integer number (1139588688).

Almost surely, 2^4542849851 is an apocalyptic number.

4542849851 is a deficient number, since it is larger than the sum of its proper divisors (15504901).

4542849851 is a wasteful number, since it uses less digits than its factorization.

4542849851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15504900.

The product of its digits is 1843200, while the sum is 50.

The square root of 4542849851 is about 67400.6665471492. Note that the first 3 decimals coincide. The cubic root of 4542849851 is about 1656.1873415745.

The spelling of 4542849851 in words is "four billion, five hundred forty-two million, eight hundred forty-nine thousand, eight hundred fifty-one".