996131996425 has 12 divisors (see below), whose sum is σ = 1247937737116. Its totient is φ = 788690073600.

The previous prime is 996131996411. The next prime is 996131996471. The reversal of 996131996425 is 524699131699.

It can be written as a sum of positive squares in 6 ways, for example, as 52923922704 + 943208073721 = 230052^2 + 971189^2 .

It is not a de Polignac number, because 996131996425 - 2¹⁹ = 996131472137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205385616 + ... + 205390465.

Almost surely, 2^996131996425 is an apocalyptic number.

It is an amenable number.

996131996425 is a deficient number, since it is larger than the sum of its proper divisors (251805740691).

996131996425 is a wasteful number, since it uses less digits than its factorization.

996131996425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410776188 (or 410776183 counting only the distinct ones).

The product of its digits is 28343520, while the sum is 64.

The spelling of 996131996425 in words is "nine hundred ninety-six billion, one hundred thirty-one million, nine hundred ninety-six thousand, four hundred twenty-five".