492840124861 has 4 divisors (see below), whose sum is σ = 563245856992. Its totient is φ = 422434392732.

The previous prime is 492840124817. The next prime is 492840124867. The reversal of 492840124861 is 168421048294.

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 492840124861 - 2²⁵ = 492806570429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492840124867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35202866055 + ... + 35202866068.

It is an arithmetic number, because the mean of its divisors is an integer number (140811464248).

Almost surely, 2^492840124861 is an apocalyptic number.

It is an amenable number.

492840124861 is a deficient number, since it is larger than the sum of its proper divisors (70405732131).

492840124861 is an equidigital number, since it uses as much as digits as its factorization.

492840124861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70405732130.

The product of its (nonzero) digits is 884736, while the sum is 49.

The spelling of 492840124861 in words is "four hundred ninety-two billion, eight hundred forty million, one hundred twenty-four thousand, eight hundred sixty-one".