6492859475881 has 27 divisors (see below), whose sum is σ = 7025935084119. Its totient is φ = 5999267829600.

The previous prime is 6492859475807. The next prime is 6492859475891. The reversal of 6492859475881 is 1885749582946.

The square root of 6492859475881 is 2548109.

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., 312862354281 + 6179997121600 = 559341^2 + 2485960^2 .

It is not a de Polignac number, because 6492859475881 - 2⁹ = 6492859475369 is a prime.

It is a super-2 number, since 2×6492859475881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6492859475798 and 6492859475807.

It is not an unprimeable number, because it can be changed into a prime (6492859475891) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1984975276 + ... + 1984978546.

Almost surely, 2^{6492859475881} is an apocalyptic number.

6492859475881 is the 2548109-th square number.

6492859475881 is the 1274055-th centered octagonal number.

It is an amenable number.

6492859475881 is a deficient number, since it is larger than the sum of its proper divisors (533075608238).

6492859475881 is an frugal number, since it uses more digits than its factorization.

6492859475881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6662 (or 3331 counting only the distinct ones).

The product of its digits is 1393459200, while the sum is 76.

The spelling of 6492859475881 in words is "six trillion, four hundred ninety-two billion, eight hundred fifty-nine million, four hundred seventy-five thousand, eight hundred eighty-one".