492638269861 has 8 divisors (see below), whose sum is σ = 496237880160. Its totient is φ = 489047303472.

The previous prime is 492638269841. The next prime is 492638269897. The reversal of 492638269861 is 168962836294.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 492638269861 - 2¹⁹ = 492637745573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 492638269793 and 492638269802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492638269841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2046555 + ... + 2274568.

It is an arithmetic number, because the mean of its divisors is an integer number (62029735020).

Almost surely, 2^492638269861 is an apocalyptic number.

It is an amenable number.

492638269861 is a deficient number, since it is larger than the sum of its proper divisors (3599610299).

492638269861 is a wasteful number, since it uses less digits than its factorization.

492638269861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321955.

The product of its digits is 53747712, while the sum is 64.

The spelling of 492638269861 in words is "four hundred ninety-two billion, six hundred thirty-eight million, two hundred sixty-nine thousand, eight hundred sixty-one".