996896411809 has 9 divisors (see below), whose sum is σ = 999128931123. Its totient is φ = 994668876552.

The previous prime is 996896411767. The next prime is 996896411821. The reversal of 996896411809 is 908114698699.

The square root of 996896411809 is 998447.

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., 622876100625 + 374020311184 = 789225^2 + 611572^2 .

It is not a de Polignac number, because 996896411809 - 2¹³ = 996896403617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996896441809) 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, 618037887 + ... + 618039499.

Almost surely, 2^996896411809 is an apocalyptic number.

996896411809 is the 998447-th square number.

996896411809 is the 499224-th centered octagonal number.

It is an amenable number.

996896411809 is a deficient number, since it is larger than the sum of its proper divisors (2232519314).

996896411809 is an frugal number, since it uses more digits than its factorization.

996896411809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464 (or 2232 counting only the distinct ones).

The product of its (nonzero) digits is 60466176, while the sum is 70.

The spelling of 996896411809 in words is "nine hundred ninety-six billion, eight hundred ninety-six million, four hundred eleven thousand, eight hundred nine".