2219788913 has 8 divisors (see below), whose sum is σ = 2282332416. Its totient is φ = 2157645600.

The previous prime is 2219788861. The next prime is 2219788933. The reversal of 2219788913 is 3198879122.

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

It is a cyclic number.

It is not a de Polignac number, because 2219788913 - 2⁶ = 2219788849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2219788933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88781 + ... + 111002.

It is an arithmetic number, because the mean of its divisors is an integer number (285291552).

Almost surely, 2^2219788913 is an apocalyptic number.

It is an amenable number.

2219788913 is a deficient number, since it is larger than the sum of its proper divisors (62543503).

2219788913 is a wasteful number, since it uses less digits than its factorization.

2219788913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200095.

The product of its digits is 435456, while the sum is 50.

The square root of 2219788913 is about 47114.6358682735. The cubic root of 2219788913 is about 1304.4794022577.

The spelling of 2219788913 in words is "two billion, two hundred nineteen million, seven hundred eighty-eight thousand, nine hundred thirteen".