996291804373 has 4 divisors (see below), whose sum is σ = 1002978326700. Its totient is φ = 989605282048.

The previous prime is 996291804349. The next prime is 996291804451. The reversal of 996291804373 is 373408192699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 373408192699 = 23 ⋅16235138813.

It can be written as a sum of positive squares in 2 ways, for example, as 135252566289 + 861039238084 = 367767^2 + 927922^2 .

It is a cyclic number.

It is not a de Polignac number, because 996291804373 - 2²⁵ = 996258249941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996291804773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3343260940 + ... + 3343261237.

It is an arithmetic number, because the mean of its divisors is an integer number (250744581675).

Almost surely, 2^996291804373 is an apocalyptic number.

It is an amenable number.

996291804373 is a deficient number, since it is larger than the sum of its proper divisors (6686522327).

996291804373 is a wasteful number, since it uses less digits than its factorization.

996291804373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6686522326.

The product of its (nonzero) digits is 17635968, while the sum is 61.

The spelling of 996291804373 in words is "nine hundred ninety-six billion, two hundred ninety-one million, eight hundred four thousand, three hundred seventy-three".