996144624833 has 4 divisors (see below), whose sum is σ = 998815254228. Its totient is φ = 993473995440.

The previous prime is 996144624749. The next prime is 996144624851. The reversal of 996144624833 is 338426441699.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 256221229489 + 739923395344 = 506183^2 + 860188^2 .

It is a cyclic number.

It is not a de Polignac number, because 996144624833 - 2²² = 996140430529 is a prime.

It is a super-2 number, since 2×996144624833² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (996144629833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1335314138 + ... + 1335314883.

It is an arithmetic number, because the mean of its divisors is an integer number (249703813557).

Almost surely, 2^996144624833 is an apocalyptic number.

It is an amenable number.

996144624833 is a deficient number, since it is larger than the sum of its proper divisors (2670629395).

996144624833 is a wasteful number, since it uses less digits than its factorization.

996144624833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670629394.

The product of its digits is 26873856, while the sum is 59.

The spelling of 996144624833 in words is "nine hundred ninety-six billion, one hundred forty-four million, six hundred twenty-four thousand, eight hundred thirty-three".