234787705913 has 2 divisors, whose sum is σ = 234787705914. Its totient is φ = 234787705912.

The previous prime is 234787705877. The next prime is 234787705927. The reversal of 234787705913 is 319507787432.

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., 130698879529 + 104088826384 = 361523^2 + 322628^2 .

It is a cyclic number.

It is not a de Polignac number, because 234787705913 - 2⁶ = 234787705849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (234787705513) 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, 117393852956 + 117393852957.

It is an arithmetic number, because the mean of its divisors is an integer number (117393852957).

Almost surely, 2^234787705913 is an apocalyptic number.

It is an amenable number.

234787705913 is a deficient number, since it is larger than the sum of its proper divisors (1).

234787705913 is an equidigital number, since it uses as much as digits as its factorization.

234787705913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 234787705913 in words is "two hundred thirty-four billion, seven hundred eighty-seven million, seven hundred five thousand, nine hundred thirteen".