2165425467 has 4 divisors (see below), whose sum is σ = 2887233960. Its totient is φ = 1443616976.

The previous prime is 2165425411. The next prime is 2165425469. The reversal of 2165425467 is 7645245612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2165425467 - 2⁶ = 2165425403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2165425469) 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 3 ways as a sum of consecutive naturals, for example, 360904242 + ... + 360904247.

It is an arithmetic number, because the mean of its divisors is an integer number (721808490).

Almost surely, 2^2165425467 is an apocalyptic number.

2165425467 is a deficient number, since it is larger than the sum of its proper divisors (721808493).

2165425467 is an equidigital number, since it uses as much as digits as its factorization.

2165425467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721808492.

The product of its digits is 403200, while the sum is 42.

The square root of 2165425467 is about 46534.1322794355. The cubic root of 2165425467 is about 1293.7422067350.

The spelling of 2165425467 in words is "two billion, one hundred sixty-five million, four hundred twenty-five thousand, four hundred sixty-seven".