283261321729 has 9 divisors (see below), whose sum is σ = 286934886147. Its totient is φ = 279634221984.

The previous prime is 283261321699. The next prime is 283261321753. The reversal of 283261321729 is 927123162382.

The square root of 283261321729 is 532223.

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., 144692748225 + 138568573504 = 380385^2 + 372248^2 .

It is not a de Polignac number, because 283261321729 - 2⁷ = 283261321601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (283261321769) 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, 42042249 + ... + 42048985.

Almost surely, 2^283261321729 is an apocalyptic number.

283261321729 is the 532223-rd square number.

283261321729 is the 266112-nd centered octagonal number.

It is an amenable number.

283261321729 is a deficient number, since it is larger than the sum of its proper divisors (3673564418).

283261321729 is an frugal number, since it uses more digits than its factorization.

283261321729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13632 (or 6816 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

It can be divided in two parts, 2832 and 61321729, that added together give a square (61324561 = 7831²).

The spelling of 283261321729 in words is "two hundred eighty-three billion, two hundred sixty-one million, three hundred twenty-one thousand, seven hundred twenty-nine".