492562280981 has 32 divisors (see below), whose sum is σ = 531919872000. Its totient is φ = 454968093888.

The previous prime is 492562280953. The next prime is 492562280993. The reversal of 492562280981 is 189082265294.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492562280981 is a prime.

It is a super-2 number, since 2×492562280981² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492562280941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51631910 + ... + 51641448.

It is an arithmetic number, because the mean of its divisors is an integer number (16622496000).

Almost surely, 2^492562280981 is an apocalyptic number.

It is an amenable number.

492562280981 is a deficient number, since it is larger than the sum of its proper divisors (39357591019).

492562280981 is a wasteful number, since it uses less digits than its factorization.

492562280981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10193.

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 492562280981 in words is "four hundred ninety-two billion, five hundred sixty-two million, two hundred eighty thousand, nine hundred eighty-one".