469122909 has 4 divisors (see below), whose sum is σ = 625497216. Its totient is φ = 312748604.

The previous prime is 469122877. The next prime is 469122923. The reversal of 469122909 is 909221964.

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 469122909 - 2⁵ = 469122877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469122949) 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, 78187149 + ... + 78187154.

It is an arithmetic number, because the mean of its divisors is an integer number (156374304).

Almost surely, 2^469122909 is an apocalyptic number.

It is an amenable number.

469122909 is a deficient number, since it is larger than the sum of its proper divisors (156374307).

469122909 is a wasteful number, since it uses less digits than its factorization.

469122909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156374306.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 469122909 is about 21659.2453469644. The cubic root of 469122909 is about 777.0140656591.

The spelling of 469122909 in words is "four hundred sixty-nine million, one hundred twenty-two thousand, nine hundred nine".