492685392981 has 16 divisors (see below), whose sum is σ = 673922991168. Its totient is φ = 320053008000.

The previous prime is 492685392929. The next prime is 492685393033. The reversal of 492685392981 is 189293586294.

It is an interprime number because it is at equal distance from previous prime (492685392929) and next prime (492685393033).

It is not a de Polignac number, because 492685392981 - 2⁹ = 492685392469 is a prime.

It is a super-2 number, since 2×492685392981² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492685392911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12561120 + ... + 12600281.

It is an arithmetic number, because the mean of its divisors is an integer number (42120186948).

Almost surely, 2^492685392981 is an apocalyptic number.

It is an amenable number.

492685392981 is a deficient number, since it is larger than the sum of its proper divisors (181237598187).

492685392981 is a wasteful number, since it uses less digits than its factorization.

492685392981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25161572.

The product of its digits is 67184640, while the sum is 66.

The spelling of 492685392981 in words is "four hundred ninety-two billion, six hundred eighty-five million, three hundred ninety-two thousand, nine hundred eighty-one".