492906311089 has 4 divisors (see below), whose sum is σ = 497268313956. Its totient is φ = 488544308224.

The previous prime is 492906311083. The next prime is 492906311101. The reversal of 492906311089 is 980113609294.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 167533038864 + 325373272225 = 409308^2 + 570415^2 .

It is a cyclic number.

It is not a de Polignac number, because 492906311089 - 2¹⁵ = 492906278321 is a prime.

It is a super-2 number, since 2×492906311089² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492906311083) 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 in 3 ways as a sum of consecutive naturals, for example, 2181001264 + ... + 2181001489.

It is an arithmetic number, because the mean of its divisors is an integer number (124317078489).

Almost surely, 2^492906311089 is an apocalyptic number.

It is an amenable number.

492906311089 is a deficient number, since it is larger than the sum of its proper divisors (4362002867).

492906311089 is a wasteful number, since it uses less digits than its factorization.

492906311089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4362002866.

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 492906311089 in words is "four hundred ninety-two billion, nine hundred six million, three hundred eleven thousand, eighty-nine".