7219968189 has 16 divisors (see below), whose sum is σ = 11013857280. Its totient is φ = 4121195760.

The previous prime is 7219968181. The next prime is 7219968199. The reversal of 7219968189 is 9818699127.

7219968189 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7219968189 - 2³ = 7219968181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7219968181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167757 + ... + 206354.

It is an arithmetic number, because the mean of its divisors is an integer number (688366080).

Almost surely, 2^7219968189 is an apocalyptic number.

It is an amenable number.

7219968189 is a deficient number, since it is larger than the sum of its proper divisors (3793889091).

7219968189 is a wasteful number, since it uses less digits than its factorization.

7219968189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375040.

The product of its digits is 3919104, while the sum is 60.

The square root of 7219968189 is about 84970.3959564742. The cubic root of 7219968189 is about 1932.7622209999.

The spelling of 7219968189 in words is "seven billion, two hundred nineteen million, nine hundred sixty-eight thousand, one hundred eighty-nine".