492240257347 has 2 divisors, whose sum is σ = 492240257348. Its totient is φ = 492240257346.

The previous prime is 492240257339. The next prime is 492240257351. The reversal of 492240257347 is 743752042294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 492240257347 - 2³ = 492240257339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 492240257347.

It is not a weakly prime, because it can be changed into another prime (492240257387) 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, 246120128673 + 246120128674.

It is an arithmetic number, because the mean of its divisors is an integer number (246120128674).

Almost surely, 2^492240257347 is an apocalyptic number.

492240257347 is a deficient number, since it is larger than the sum of its proper divisors (1).

492240257347 is an equidigital number, since it uses as much as digits as its factorization.

492240257347 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 49.

The spelling of 492240257347 in words is "four hundred ninety-two billion, two hundred forty million, two hundred fifty-seven thousand, three hundred forty-seven".