2165014469 has 4 divisors (see below), whose sum is σ = 2165656320. Its totient is φ = 2164372620.

The previous prime is 2165014463. The next prime is 2165014493. The reversal of 2165014469 is 9644105612.

2165014469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2165014469 - 2⁸ = 2165014213 is a prime.

It is a super-2 number, since 2×2165014469² = 9374575301958703922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2165014463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315839 + ... + 322620.

It is an arithmetic number, because the mean of its divisors is an integer number (541414080).

Almost surely, 2^2165014469 is an apocalyptic number.

It is an amenable number.

2165014469 is a deficient number, since it is larger than the sum of its proper divisors (641851).

2165014469 is an equidigital number, since it uses as much as digits as its factorization.

2165014469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641850.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 2165014469 is about 46529.7159780715. The cubic root of 2165014469 is about 1293.6603507500.

The spelling of 2165014469 in words is "two billion, one hundred sixty-five million, fourteen thousand, four hundred sixty-nine".