200202311923709 has 2 divisors, whose sum is σ = 200202311923710. Its totient is φ = 200202311923708.

The previous prime is 200202311923543. The next prime is 200202311923787. The reversal of 200202311923709 is 907329113202002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198409846154809 + 1792465768900 = 14085803^2 + 1338830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200202311923709 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200202311923409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100101155961854 + 100101155961855.

It is an arithmetic number, because the mean of its divisors is an integer number (100101155961855).

Almost surely, 2^{200202311923709} is an apocalyptic number.

It is an amenable number.

200202311923709 is a deficient number, since it is larger than the sum of its proper divisors (1).

200202311923709 is an equidigital number, since it uses as much as digits as its factorization.

200202311923709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 200202311923709 in words is "two hundred trillion, two hundred two billion, three hundred eleven million, nine hundred twenty-three thousand, seven hundred nine".