996113689 has 4 divisors (see below), whose sum is σ = 1009759156. Its totient is φ = 982468224.

The previous prime is 996113687. The next prime is 996113707. The reversal of 996113689 is 986311699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 986311699 = 971 ⋅1015769.

It can be written as a sum of positive squares in 2 ways, for example, as 556582464 + 439531225 = 23592^2 + 20965^2 .

It is a cyclic number.

It is not a de Polignac number, because 996113689 - 2¹ = 996113687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996113687) 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, 6822624 + ... + 6822769.

It is an arithmetic number, because the mean of its divisors is an integer number (252439789).

Almost surely, 2^996113689 is an apocalyptic number.

It is an amenable number.

996113689 is a deficient number, since it is larger than the sum of its proper divisors (13645467).

996113689 is a wasteful number, since it uses less digits than its factorization.

996113689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13645466.

The product of its digits is 629856, while the sum is 52.

The square root of 996113689 is about 31561.2688116305. The cubic root of 996113689 is about 998.7028812103.

The spelling of 996113689 in words is "nine hundred ninety-six million, one hundred thirteen thousand, six hundred eighty-nine".