4921543518 has 16 divisors (see below), whose sum is σ = 9847667856. Its totient is φ = 1639751040.

The previous prime is 4921543511. The next prime is 4921543531. The reversal of 4921543518 is 8153451294.

It is a self number, because there is not a number n which added to its sum of digits gives 4921543518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4921543511) 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 7 ways as a sum of consecutive naturals, for example, 176821 + ... + 202752.

It is an arithmetic number, because the mean of its divisors is an integer number (615479241).

Almost surely, 2^4921543518 is an apocalyptic number.

4921543518 is an abundant number, since it is smaller than the sum of its proper divisors (4926124338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4921543518 is a wasteful number, since it uses less digits than its factorization.

4921543518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381739.

The product of its digits is 172800, while the sum is 42.

The square root of 4921543518 is about 70153.7135011398. The cubic root of 4921543518 is about 1700.9848408876.

The spelling of 4921543518 in words is "four billion, nine hundred twenty-one million, five hundred forty-three thousand, five hundred eighteen".