2165363419 has 6 divisors (see below), whose sum is σ = 2198169204. Its totient is φ = 2133040140.

The previous prime is 2165363413. The next prime is 2165363429. The reversal of 2165363419 is 9143635612.

It is not a de Polignac number, because 2165363419 - 2³ = 2165363411 is a prime.

It is a super-2 number, since 2×2165363419² = 9377597472686739122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2165363411) 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 5 ways as a sum of consecutive naturals, for example, 236697 + ... + 245674.

It is an arithmetic number, because the mean of its divisors is an integer number (366361534).

Almost surely, 2^2165363419 is an apocalyptic number.

2165363419 is a deficient number, since it is larger than the sum of its proper divisors (32805785).

2165363419 is an frugal number, since it uses more digits than its factorization.

2165363419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482505 (or 482438 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 2165363419 is about 46533.4655812352. The cubic root of 2165363419 is about 1293.7298496741.

It can be divided in two parts, 216 and 5363419, that added together give a palindrome (5363635).

The spelling of 2165363419 in words is "two billion, one hundred sixty-five million, three hundred sixty-three thousand, four hundred nineteen".