4919808943 has 4 divisors (see below), whose sum is σ = 5622638800. Its totient is φ = 4216979088.

The previous prime is 4919808919. The next prime is 4919808973. The reversal of 4919808943 is 3498089194.

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

It is not a de Polignac number, because 4919808943 - 2¹⁷ = 4919677871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4919808973) 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, 351414918 + ... + 351414931.

It is an arithmetic number, because the mean of its divisors is an integer number (1405659700).

Almost surely, 2^4919808943 is an apocalyptic number.

4919808943 is a deficient number, since it is larger than the sum of its proper divisors (702829857).

4919808943 is an equidigital number, since it uses as much as digits as its factorization.

4919808943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702829856.

The product of its (nonzero) digits is 2239488, while the sum is 55.

The square root of 4919808943 is about 70141.3497375122. The cubic root of 4919808943 is about 1700.7849826883.

The spelling of 4919808943 in words is "four billion, nine hundred nineteen million, eight hundred eight thousand, nine hundred forty-three".