234426471217 has 2 divisors, whose sum is σ = 234426471218. Its totient is φ = 234426471216.

The previous prime is 234426471203. The next prime is 234426471221. The reversal of 234426471217 is 712174624432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163693877281 + 70732593936 = 404591^2 + 265956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234426471217 is a prime.

It is a super-2 number, since 2×234426471217² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (234426471247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117213235608 + 117213235609.

It is an arithmetic number, because the mean of its divisors is an integer number (117213235609).

Almost surely, 2^234426471217 is an apocalyptic number.

It is an amenable number.

234426471217 is a deficient number, since it is larger than the sum of its proper divisors (1).

234426471217 is an equidigital number, since it uses as much as digits as its factorization.

234426471217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 43.

The spelling of 234426471217 in words is "two hundred thirty-four billion, four hundred twenty-six million, four hundred seventy-one thousand, two hundred seventeen".