492308512609 has 9 divisors (see below), whose sum is σ = 497302700371. Its totient is φ = 487364006200.

The previous prime is 492308512601. The next prime is 492308512621. The reversal of 492308512609 is 906215803294.

The square root of 492308512609 is 701647.

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., 473004189009 + 19304323600 = 687753^2 + 138940^2 .

It is not a de Polignac number, because 492308512609 - 2³ = 492308512601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492308512601) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 70862874 + ... + 70869820.

Almost surely, 2^492308512609 is an apocalyptic number.

492308512609 is the 701647-th square number.

492308512609 is the 350824-th centered octagonal number.

It is an amenable number.

492308512609 is a deficient number, since it is larger than the sum of its proper divisors (4994187762).

492308512609 is an frugal number, since it uses more digits than its factorization.

492308512609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14096 (or 7048 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

Multiplying 492308512609 by its sum of digits (49), we get a square (24123117117841 = 4911529²).

The spelling of 492308512609 in words is "four hundred ninety-two billion, three hundred eight million, five hundred twelve thousand, six hundred nine".