5019868894 has 16 divisors (see below), whose sum is σ = 7948086480. Its totient is φ = 2377826136.

The previous prime is 5019868849. The next prime is 5019868897. The reversal of 5019868894 is 4988689105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5019868897) 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, 169249 + ... + 196684.

It is an arithmetic number, because the mean of its divisors is an integer number (496755405).

Almost surely, 2^5019868894 is an apocalyptic number.

5019868894 is a deficient number, since it is larger than the sum of its proper divisors (2928217586).

5019868894 is an equidigital number, since it uses as much as digits as its factorization.

5019868894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365992 (or 365954 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 58.

The square root of 5019868894 is about 70851.0331187909. The cubic root of 5019868894 is about 1712.2379751056.

The spelling of 5019868894 in words is "five billion, nineteen million, eight hundred sixty-eight thousand, eight hundred ninety-four".