996469122289 has 27 divisors (see below), whose sum is σ = 1036815015243. Its totient is φ = 957680782608.

The previous prime is 996469122283. The next prime is 996469122329. The reversal of 996469122289 is 982221964699.

The square root of 996469122289 is 998233.

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., 55778630625 + 940690491664 = 236175^2 + 969892^2 .

It is not a de Polignac number, because 996469122289 - 2¹⁵ = 996469089521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996469122283) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3143435559 + ... + 3143435875.

Almost surely, 2^996469122289 is an apocalyptic number.

996469122289 is the 998233-rd square number.

996469122289 is the 499117-th centered octagonal number.

It is an amenable number.

996469122289 is a deficient number, since it is larger than the sum of its proper divisors (40345892954).

996469122289 is an frugal number, since it uses more digits than its factorization.

996469122289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862 (or 431 counting only the distinct ones).

The product of its digits is 60466176, while the sum is 67.

The spelling of 996469122289 in words is "nine hundred ninety-six billion, four hundred sixty-nine million, one hundred twenty-two thousand, two hundred eighty-nine".