492240256361 has 4 divisors (see below), whose sum is σ = 562560292992. Its totient is φ = 421920219732.

The previous prime is 492240256337. The next prime is 492240256363. The reversal of 492240256361 is 163652042294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 492240256361 - 2¹⁰ = 492240255337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492240256363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35160018305 + ... + 35160018318.

It is an arithmetic number, because the mean of its divisors is an integer number (140640073248).

Almost surely, 2^492240256361 is an apocalyptic number.

It is an amenable number.

492240256361 is a deficient number, since it is larger than the sum of its proper divisors (70320036631).

492240256361 is an equidigital number, since it uses as much as digits as its factorization.

492240256361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70320036630.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 492240256361 in words is "four hundred ninety-two billion, two hundred forty million, two hundred fifty-six thousand, three hundred sixty-one".