492196255489 has 9 divisors (see below), whose sum is σ = 495279082371. Its totient is φ = 489132512400.

The previous prime is 492196255471. The next prime is 492196255519. The reversal of 492196255489 is 984552691294.

The square root of 492196255489 is 701567.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 27944805889 + 464251449600 = 167167^2 + 681360^2 .

It is not a de Polignac number, because 492196255489 - 2¹⁹ = 492195731201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 492196255489.

It is not an unprimeable number, because it can be changed into a prime (492196255409) 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 8 ways as a sum of consecutive naturals, for example, 117159589 + ... + 117163789.

Almost surely, 2^492196255489 is an apocalyptic number.

492196255489 is the 701567-th square number.

492196255489 is the 350784-th centered octagonal number.

It is an amenable number.

492196255489 is a deficient number, since it is larger than the sum of its proper divisors (3082826882).

492196255489 is an frugal number, since it uses more digits than its factorization.

492196255489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8736 (or 4368 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 64.

Multiplying 492196255489 by its sum of digits (64), we get a square (31500560351296 = 5612536²).

The spelling of 492196255489 in words is "four hundred ninety-two billion, one hundred ninety-six million, two hundred fifty-five thousand, four hundred eighty-nine".