4083281028369 has 27 divisors (see below), whose sum is σ = 5980623064923. Its totient is φ = 2684606131872.

The previous prime is 4083281028361. The next prime is 4083281028377. The reversal of 4083281028369 is 9638201823804.

The square root of 4083281028369 is 2020713.

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

4083281028369 is a `hidden beast` number, since 4 + 0 + 83 + 281 + 0 + 283 + 6 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (4083281028361) and next prime (4083281028377).

It can be written as a sum of positive squares in only one way, i.e., 2317869227025 + 1765411801344 = 1522455^2 + 1328688^2 .

It is not a de Polignac number, because 4083281028369 - 2³ = 4083281028361 is a prime.

It is a super-2 number, since 2×4083281028369² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4083281028361) 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, 442531534 + ... + 442540760.

Almost surely, 2^{4083281028369} is an apocalyptic number.

4083281028369 is the 2020713-rd square number.

4083281028369 is the 1010357-th centered octagonal number.

It is an amenable number.

4083281028369 is a deficient number, since it is larger than the sum of its proper divisors (1897342036554).

4083281028369 is an frugal number, since it uses more digits than its factorization.

4083281028369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18606 (or 9303 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 4083281028369 in words is "four trillion, eighty-three billion, two hundred eighty-one million, twenty-eight thousand, three hundred sixty-nine".