492240257387 has 2 divisors, whose sum is σ = 492240257388. Its totient is φ = 492240257386.

The previous prime is 492240257351. The next prime is 492240257393. The reversal of 492240257387 is 783752042294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 492240257387 - 2¹⁰ = 492240256363 is a prime.

It is not a weakly prime, because it can be changed into another prime (492240257347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246120128693 + 246120128694.

It is an arithmetic number, because the mean of its divisors is an integer number (246120128694).

Almost surely, 2^492240257387 is an apocalyptic number.

492240257387 is a deficient number, since it is larger than the sum of its proper divisors (1).

492240257387 is an equidigital number, since it uses as much as digits as its factorization.

492240257387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 492240257387 in words is "four hundred ninety-two billion, two hundred forty million, two hundred fifty-seven thousand, three hundred eighty-seven".