204190576543 has 2 divisors, whose sum is σ = 204190576544. Its totient is φ = 204190576542.

The previous prime is 204190576517. The next prime is 204190576559. The reversal of 204190576543 is 345675091402.

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-204190576543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204190576493 and 204190576502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204190576573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102095288271 + 102095288272.

It is an arithmetic number, because the mean of its divisors is an integer number (102095288272).

Almost surely, 2^204190576543 is an apocalyptic number.

204190576543 is a deficient number, since it is larger than the sum of its proper divisors (1).

204190576543 is an equidigital number, since it uses as much as digits as its factorization.

204190576543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 204190576543 in words is "two hundred four billion, one hundred ninety million, five hundred seventy-six thousand, five hundred forty-three".