492064906393 has 2 divisors, whose sum is σ = 492064906394. Its totient is φ = 492064906392.

The previous prime is 492064906387. The next prime is 492064906409. The reversal of 492064906393 is 393609460294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257254883209 + 234810023184 = 507203^2 + 484572^2 .

It is a cyclic number.

It is not a de Polignac number, because 492064906393 - 2¹³ = 492064898201 is a prime.

It is not a weakly prime, because it can be changed into another prime (492064906693) 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, 246032453196 + 246032453197.

It is an arithmetic number, because the mean of its divisors is an integer number (246032453197).

Almost surely, 2^492064906393 is an apocalyptic number.

It is an amenable number.

492064906393 is a deficient number, since it is larger than the sum of its proper divisors (1).

492064906393 is an equidigital number, since it uses as much as digits as its factorization.

492064906393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7558272, while the sum is 55.

The spelling of 492064906393 in words is "four hundred ninety-two billion, sixty-four million, nine hundred six thousand, three hundred ninety-three".