1082529959809 has 3 divisors (see below), whose sum is σ = 1082531000257. Its totient is φ = 1082528919362.

The previous prime is 1082529959743. The next prime is 1082529959857. The reversal of 1082529959809 is 9089599252801.

The square root of 1082529959809 is 1040447.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-1082529959809 is a prime.

It is a super-2 number, since 2×1082529959809² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1082529959869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 520224 + ... + 1560670.

Almost surely, 2^{1082529959809} is an apocalyptic number.

1082529959809 is the 1040447-th square number.

1082529959809 is the 520224-th centered octagonal number.

It is an amenable number.

1082529959809 is a deficient number, since it is larger than the sum of its proper divisors (1040448).

1082529959809 is an frugal number, since it uses more digits than its factorization.

1082529959809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080894 (or 1040447 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 67.

The spelling of 1082529959809 in words is "one trillion, eighty-two billion, five hundred twenty-nine million, nine hundred fifty-nine thousand, eight hundred nine".