243105103933 has 2 divisors, whose sum is σ = 243105103934. Its totient is φ = 243105103932.

The previous prime is 243105103867. The next prime is 243105104041. The reversal of 243105103933 is 339301501342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213945101764 + 29160002169 = 462542^2 + 170763^2 .

It is a cyclic number.

It is not a de Polignac number, because 243105103933 - 2⁹ = 243105103421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243105103333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121552551966 + 121552551967.

It is an arithmetic number, because the mean of its divisors is an integer number (121552551967).

Almost surely, 2^243105103933 is an apocalyptic number.

It is an amenable number.

243105103933 is a deficient number, since it is larger than the sum of its proper divisors (1).

243105103933 is an equidigital number, since it uses as much as digits as its factorization.

243105103933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 34.

The spelling of 243105103933 in words is "two hundred forty-three billion, one hundred five million, one hundred three thousand, nine hundred thirty-three".