234612257549 has 2 divisors, whose sum is σ = 234612257550. Its totient is φ = 234612257548.

The previous prime is 234612257533. The next prime is 234612257609. The reversal of 234612257549 is 945752216432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230550744649 + 4061512900 = 480157^2 + 63730^2 .

It is a cyclic number.

It is not a de Polignac number, because 234612257549 - 2⁴ = 234612257533 is a prime.

It is a super-2 number, since 2×234612257549² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 234612257497 and 234612257506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234612257149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117306128774 + 117306128775.

It is an arithmetic number, because the mean of its divisors is an integer number (117306128775).

Almost surely, 2^234612257549 is an apocalyptic number.

It is an amenable number.

234612257549 is a deficient number, since it is larger than the sum of its proper divisors (1).

234612257549 is an equidigital number, since it uses as much as digits as its factorization.

234612257549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 50.

The spelling of 234612257549 in words is "two hundred thirty-four billion, six hundred twelve million, two hundred fifty-seven thousand, five hundred forty-nine".