205935906703 has 2 divisors, whose sum is σ = 205935906704. Its totient is φ = 205935906702.

The previous prime is 205935906697. The next prime is 205935906707. The reversal of 205935906703 is 307609539502.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205935906703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205935906707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102967953351 + 102967953352.

It is an arithmetic number, because the mean of its divisors is an integer number (102967953352).

Almost surely, 2^205935906703 is an apocalyptic number.

205935906703 is a deficient number, since it is larger than the sum of its proper divisors (1).

205935906703 is an equidigital number, since it uses as much as digits as its factorization.

205935906703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1530900, while the sum is 49.

The spelling of 205935906703 in words is "two hundred five billion, nine hundred thirty-five million, nine hundred six thousand, seven hundred three".