7013888893 has 16 divisors (see below), whose sum is σ = 8404416000. Its totient is φ = 5778028080.

The previous prime is 7013888881. The next prime is 7013888933. The reversal of 7013888893 is 3988883107.

It is a de Polignac number, because none of the positive numbers 2^k-7013888893 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 (7013889893) 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 15 ways as a sum of consecutive naturals, for example, 724743 + ... + 734356.

It is an arithmetic number, because the mean of its divisors is an integer number (525276000).

Almost surely, 2^7013888893 is an apocalyptic number.

It is an amenable number.

7013888893 is a deficient number, since it is larger than the sum of its proper divisors (1390527107).

7013888893 is a wasteful number, since it uses less digits than its factorization.

7013888893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459152.

The product of its (nonzero) digits is 2322432, while the sum is 55.

The square root of 7013888893 is about 83748.9635338850. The cubic root of 7013888893 is about 1914.1955134436.

The spelling of 7013888893 in words is "seven billion, thirteen million, eight hundred eighty-eight thousand, eight hundred ninety-three".