2219387923 has 2 divisors, whose sum is σ = 2219387924. Its totient is φ = 2219387922.

The previous prime is 2219387903. The next prime is 2219387941. The reversal of 2219387923 is 3297839122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2219387923 - 2⁹ = 2219387411 is a prime.

It is not a weakly prime, because it can be changed into another prime (2219387903) 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 as a sum of consecutive naturals, namely, 1109693961 + 1109693962.

It is an arithmetic number, because the mean of its divisors is an integer number (1109693962).

Almost surely, 2^2219387923 is an apocalyptic number.

2219387923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2219387923 is an equidigital number, since it uses as much as digits as its factorization.

2219387923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 2219387923 is about 47110.3802043669. The cubic root of 2219387923 is about 1304.4008490384.

The spelling of 2219387923 in words is "two billion, two hundred nineteen million, three hundred eighty-seven thousand, nine hundred twenty-three".