204953842943 has 2 divisors, whose sum is σ = 204953842944. Its totient is φ = 204953842942.

The previous prime is 204953842837. The next prime is 204953842969. The reversal of 204953842943 is 349248359402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204953842943 - 2¹⁰ = 204953841919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204953832943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102476921471 + 102476921472.

It is an arithmetic number, because the mean of its divisors is an integer number (102476921472).

Almost surely, 2^204953842943 is an apocalyptic number.

204953842943 is a deficient number, since it is larger than the sum of its proper divisors (1).

204953842943 is an equidigital number, since it uses as much as digits as its factorization.

204953842943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7464960, while the sum is 53.

The spelling of 204953842943 in words is "two hundred four billion, nine hundred fifty-three million, eight hundred forty-two thousand, nine hundred forty-three".