492147205873 has 2 divisors, whose sum is σ = 492147205874. Its totient is φ = 492147205872.

The previous prime is 492147205871. The next prime is 492147205933. The reversal of 492147205873 is 378502741294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490424291809 + 1722914064 = 700303^2 + 41508^2 .

It is a cyclic number.

It is not a de Polignac number, because 492147205873 - 2¹ = 492147205871 is a prime.

Together with 492147205871, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 492147205873.

It is not a weakly prime, because it can be changed into another prime (492147205871) 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, 246073602936 + 246073602937.

It is an arithmetic number, because the mean of its divisors is an integer number (246073602937).

Almost surely, 2^492147205873 is an apocalyptic number.

It is an amenable number.

492147205873 is a deficient number, since it is larger than the sum of its proper divisors (1).

492147205873 is an equidigital number, since it uses as much as digits as its factorization.

492147205873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 492147205873 in words is "four hundred ninety-two billion, one hundred forty-seven million, two hundred five thousand, eight hundred seventy-three".