7923142219 has 2 divisors, whose sum is σ = 7923142220. Its totient is φ = 7923142218.

The previous prime is 7923142217. The next prime is 7923142243. The reversal of 7923142219 is 9122413297.

It is a weak prime.

It is an emirp because it is prime and its reverse (9122413297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7923142219 - 2¹ = 7923142217 is a prime.

It is a super-2 number, since 2×7923142219² (a number of 21 digits) contains 22 as substring.

Together with 7923142217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7923142217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3961571109 + 3961571110.

It is an arithmetic number, because the mean of its divisors is an integer number (3961571110).

Almost surely, 2^7923142219 is an apocalyptic number.

7923142219 is a deficient number, since it is larger than the sum of its proper divisors (1).

7923142219 is an equidigital number, since it uses as much as digits as its factorization.

7923142219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 7923142219 is about 89012.0341246059. The cubic root of 7923142219 is about 1993.5745639090.

The spelling of 7923142219 in words is "seven billion, nine hundred twenty-three million, one hundred forty-two thousand, two hundred nineteen".