204028492679971 has 2 divisors, whose sum is σ = 204028492679972. Its totient is φ = 204028492679970.

The previous prime is 204028492679953. The next prime is 204028492680013. The reversal of 204028492679971 is 179976294820402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204028492679971 - 2²³ = 204028484291363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204028492679971.

It is not a weakly prime, because it can be changed into another prime (204028492670971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102014246339985 + 102014246339986.

It is an arithmetic number, because the mean of its divisors is an integer number (102014246339986).

Almost surely, 2^{204028492679971} is an apocalyptic number.

204028492679971 is a deficient number, since it is larger than the sum of its proper divisors (1).

204028492679971 is an equidigital number, since it uses as much as digits as its factorization.

204028492679971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 219469824, while the sum is 70.

The spelling of 204028492679971 in words is "two hundred four trillion, twenty-eight billion, four hundred ninety-two million, six hundred seventy-nine thousand, nine hundred seventy-one".