2219378689 has 8 divisors (see below), whose sum is σ = 2422499040. Its totient is φ = 2016484800.

The previous prime is 2219378683. The next prime is 2219378779. The reversal of 2219378689 is 9868739122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2219378689 - 2⁷ = 2219378561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2219378683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35784 + ... + 75625.

It is an arithmetic number, because the mean of its divisors is an integer number (302812380).

Almost surely, 2^2219378689 is an apocalyptic number.

It is an amenable number.

2219378689 is a deficient number, since it is larger than the sum of its proper divisors (203120351).

2219378689 is a wasteful number, since it uses less digits than its factorization.

2219378689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113231.

The product of its digits is 2612736, while the sum is 55.

The square root of 2219378689 is about 47110.2822003859. The cubic root of 2219378689 is about 1304.3990400030.

The spelling of 2219378689 in words is "two billion, two hundred nineteen million, three hundred seventy-eight thousand, six hundred eighty-nine".