996548982529 has 3 divisors (see below), whose sum is σ = 996549980803. Its totient is φ = 996547984256.

The previous prime is 996548982491. The next prime is 996548982589. The reversal of 996548982529 is 925289845699.

The square root of 996548982529 is 998273.

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 can be written as a sum of positive squares in only one way, i.e., 11198930625 + 985350051904 = 105825^2 + 992648^2 .

It is not a de Polignac number, because 996548982529 - 2²¹ = 996546885377 is a prime.

It is a Smith number, since the sum of its digits (76) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996548982589) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 499137 + ... + 1497409.

Almost surely, 2^996548982529 is an apocalyptic number.

996548982529 is the 998273-rd square number.

996548982529 is the 499137-th centered octagonal number.

It is an amenable number.

996548982529 is a deficient number, since it is larger than the sum of its proper divisors (998274).

996548982529 is an frugal number, since it uses more digits than its factorization.

996548982529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996546 (or 998273 counting only the distinct ones).

The product of its digits is 1007769600, while the sum is 76.

The spelling of 996548982529 in words is "nine hundred ninety-six billion, five hundred forty-eight million, nine hundred eighty-two thousand, five hundred twenty-nine".