234404474561 has 2 divisors, whose sum is σ = 234404474562. Its totient is φ = 234404474560.

The previous prime is 234404474537. The next prime is 234404474573. The reversal of 234404474561 is 165474404432.

234404474561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149676908161 + 84727566400 = 386881^2 + 291080^2 .

It is a cyclic number.

It is not a de Polignac number, because 234404474561 - 2⁶ = 234404474497 is a prime.

It is a super-2 number, since 2×234404474561² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (234404474531) 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 as a sum of consecutive naturals, namely, 117202237280 + 117202237281.

It is an arithmetic number, because the mean of its divisors is an integer number (117202237281).

Almost surely, 2^234404474561 is an apocalyptic number.

It is an amenable number.

234404474561 is a deficient number, since it is larger than the sum of its proper divisors (1).

234404474561 is an equidigital number, since it uses as much as digits as its factorization.

234404474561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 44.

Adding to 234404474561 its reverse (165474404432), we get a palindrome (399878878993).

The spelling of 234404474561 in words is "two hundred thirty-four billion, four hundred four million, four hundred seventy-four thousand, five hundred sixty-one".