7013888894 has 4 divisors (see below), whose sum is σ = 10520833344. Its totient is φ = 3506944446.

The previous prime is 7013888881. The next prime is 7013888933. The reversal of 7013888894 is 4988883107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4988883107 = 13 ⋅383760239.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1753472222 + ... + 1753472225.

It is an arithmetic number, because the mean of its divisors is an integer number (2630208336).

Almost surely, 2^7013888894 is an apocalyptic number.

7013888894 is a deficient number, since it is larger than the sum of its proper divisors (3506944450).

7013888894 is a wasteful number, since it uses less digits than its factorization.

7013888894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506944449.

The product of its (nonzero) digits is 3096576, while the sum is 56.

The square root of 7013888894 is about 83748.9635398552. The cubic root of 7013888894 is about 1914.1955135346.

The spelling of 7013888894 in words is "seven billion, thirteen million, eight hundred eighty-eight thousand, eight hundred ninety-four".