2219387939 has 8 divisors (see below), whose sum is σ = 2272112832. Its totient is φ = 2166713640.

The previous prime is 2219387923. The next prime is 2219387941. The reversal of 2219387939 is 9397839122.

It is a happy number.

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 2219387939 - 2⁴ = 2219387923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2219387969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84944 + ... + 107954.

It is an arithmetic number, because the mean of its divisors is an integer number (284014104).

Almost surely, 2^2219387939 is an apocalyptic number.

2219387939 is a deficient number, since it is larger than the sum of its proper divisors (52724893).

2219387939 is a wasteful number, since it uses less digits than its factorization.

2219387939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25297.

The product of its digits is 1469664, while the sum is 53.

The square root of 2219387939 is about 47110.3803741808. The cubic root of 2219387939 is about 1304.4008521730.

The spelling of 2219387939 in words is "two billion, two hundred nineteen million, three hundred eighty-seven thousand, nine hundred thirty-nine".