281482056740329 has 9 divisors (see below), whose sum is σ = 283222286530743. Its totient is φ = 279752455013472.

The previous prime is 281482056740321. The next prime is 281482056740363. The reversal of 281482056740329 is 923047650284182.

The square root of 281482056740329 is 16777427.

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., 275725128330729 + 5756928409600 = 16604973^2 + 2399360^2 .

It is not a de Polignac number, because 281482056740329 - 2³ = 281482056740321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (281482056740321) 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, 2734669137 + ... + 2734772065.

It is a 1-persistent number, because it is pandigital, but 2⋅281482056740329 = 562964113480658 is not.

Almost surely, 2^{281482056740329} is an apocalyptic number.

281482056740329 is the 16777427-th square number.

281482056740329 is the 8388714-th centered octagonal number.

It is an amenable number.

281482056740329 is a deficient number, since it is larger than the sum of its proper divisors (1740229790414).

281482056740329 is an frugal number, since it uses more digits than its factorization.

281482056740329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206184 (or 103092 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 281482056740329 in words is "two hundred eighty-one trillion, four hundred eighty-two billion, fifty-six million, seven hundred forty thousand, three hundred twenty-nine".