204454663043 has 2 divisors, whose sum is σ = 204454663044. Its totient is φ = 204454663042.

The previous prime is 204454662983. The next prime is 204454663051. The reversal of 204454663043 is 340366454402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204454663043 - 2¹⁰ = 204454662019 is a prime.

It is a super-3 number, since 3×204454663043³ (a number of 35 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (204454663843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102227331521 + 102227331522.

It is an arithmetic number, because the mean of its divisors is an integer number (102227331522).

Almost surely, 2^204454663043 is an apocalyptic number.

204454663043 is a deficient number, since it is larger than the sum of its proper divisors (1).

204454663043 is an equidigital number, since it uses as much as digits as its factorization.

204454663043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 41.

The spelling of 204454663043 in words is "two hundred four billion, four hundred fifty-four million, six hundred sixty-three thousand, forty-three".