7219968266 has 16 divisors (see below), whose sum is σ = 12441223104. Its totient is φ = 3078238464.

The previous prime is 7219968257. The next prime is 7219968299. The reversal of 7219968266 is 6628699127.

It is a happy 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 in 7 ways as a sum of consecutive naturals, for example, 1333340 + ... + 1338743.

It is an arithmetic number, because the mean of its divisors is an integer number (777576444).

Almost surely, 2^7219968266 is an apocalyptic number.

7219968266 is a deficient number, since it is larger than the sum of its proper divisors (5221254838).

7219968266 is a wasteful number, since it uses less digits than its factorization.

7219968266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672285.

The product of its digits is 3919104, while the sum is 56.

The square root of 7219968266 is about 84970.3964095731. The cubic root of 7219968266 is about 1932.7622278707.

The spelling of 7219968266 in words is "seven billion, two hundred nineteen million, nine hundred sixty-eight thousand, two hundred sixty-six".