234919609 has 4 divisors (see below), whose sum is σ = 236475520. Its totient is φ = 233363700.

The previous prime is 234919603. The next prime is 234919639. The reversal of 234919609 is 906919432.

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 234919609 - 2⁵ = 234919577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234919603) 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, 777729 + ... + 778030.

It is an arithmetic number, because the mean of its divisors is an integer number (59118880).

Almost surely, 2^234919609 is an apocalyptic number.

It is an amenable number.

234919609 is a deficient number, since it is larger than the sum of its proper divisors (1555911).

234919609 is a wasteful number, since it uses less digits than its factorization.

234919609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555910.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 234919609 is about 15327.0874271663. The cubic root of 234919609 is about 617.0302034044.

The spelling of 234919609 in words is "two hundred thirty-four million, nine hundred nineteen thousand, six hundred nine".