234364505909 has 2 divisors, whose sum is σ = 234364505910. Its totient is φ = 234364505908.

The previous prime is 234364505887. The next prime is 234364505911. The reversal of 234364505909 is 909505463432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230236828900 + 4127677009 = 479830^2 + 64247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234364505909 is a prime.

Together with 234364505911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234364505989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117182252954 + 117182252955.

It is an arithmetic number, because the mean of its divisors is an integer number (117182252955).

Almost surely, 2^234364505909 is an apocalyptic number.

It is an amenable number.

234364505909 is a deficient number, since it is larger than the sum of its proper divisors (1).

234364505909 is an equidigital number, since it uses as much as digits as its factorization.

234364505909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3499200, while the sum is 50.

The spelling of 234364505909 in words is "two hundred thirty-four billion, three hundred sixty-four million, five hundred five thousand, nine hundred nine".