204460464643 has 2 divisors, whose sum is σ = 204460464644. Its totient is φ = 204460464642.

The previous prime is 204460464619. The next prime is 204460464647. The reversal of 204460464643 is 346464064402.

204460464643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204460464643 - 2¹³ = 204460456451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204460464643.

It is not a weakly prime, because it can be changed into another prime (204460464647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102230232321 + 102230232322.

It is an arithmetic number, because the mean of its divisors is an integer number (102230232322).

Almost surely, 2^204460464643 is an apocalyptic number.

204460464643 is a deficient number, since it is larger than the sum of its proper divisors (1).

204460464643 is an equidigital number, since it uses as much as digits as its factorization.

204460464643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104, while the sum is 43.

The spelling of 204460464643 in words is "two hundred four billion, four hundred sixty million, four hundred sixty-four thousand, six hundred forty-three".