234471622561 has 4 divisors (see below), whose sum is σ = 255787224624. Its totient is φ = 213156020500.

The previous prime is 234471622531. The next prime is 234471622603. The reversal of 234471622561 is 165226174432.

234471622561 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 234471622561 - 2¹⁹ = 234471098273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234471622531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10657801015 + ... + 10657801036.

It is an arithmetic number, because the mean of its divisors is an integer number (63946806156).

Almost surely, 2^234471622561 is an apocalyptic number.

It is an amenable number.

234471622561 is a deficient number, since it is larger than the sum of its proper divisors (21315602063).

234471622561 is a wasteful number, since it uses less digits than its factorization.

234471622561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21315602062.

The product of its digits is 483840, while the sum is 43.

Adding to 234471622561 its reverse (165226174432), we get a palindrome (399697796993).

The spelling of 234471622561 in words is "two hundred thirty-four billion, four hundred seventy-one million, six hundred twenty-two thousand, five hundred sixty-one".