2158344219 has 8 divisors (see below), whose sum is σ = 3002913792. Its totient is φ = 1376335400.

The previous prime is 2158344203. The next prime is 2158344229. The reversal of 2158344219 is 9124438512.

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 2158344219 - 2⁴ = 2158344203 is a prime.

It is a super-2 number, since 2×2158344219² = 9316899535381439922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2158344229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15640107 + ... + 15640244.

It is an arithmetic number, because the mean of its divisors is an integer number (375364224).

Almost surely, 2^2158344219 is an apocalyptic number.

2158344219 is a deficient number, since it is larger than the sum of its proper divisors (844569573).

2158344219 is a wasteful number, since it uses less digits than its factorization.

2158344219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31280377.

The product of its digits is 69120, while the sum is 39.

The square root of 2158344219 is about 46457.9833720750. The cubic root of 2158344219 is about 1292.3304266183.

The spelling of 2158344219 in words is "two billion, one hundred fifty-eight million, three hundred forty-four thousand, two hundred nineteen".