996111943 has 2 divisors, whose sum is σ = 996111944. Its totient is φ = 996111942.

The previous prime is 996111931. The next prime is 996111989. The reversal of 996111943 is 349111699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 996111943 - 2²⁹ = 459241031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 996111943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996111143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498055971 + 498055972.

It is an arithmetic number, because the mean of its divisors is an integer number (498055972).

Almost surely, 2^996111943 is an apocalyptic number.

996111943 is a deficient number, since it is larger than the sum of its proper divisors (1).

996111943 is an equidigital number, since it uses as much as digits as its factorization.

996111943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 43.

The square root of 996111943 is about 31561.2411511335. The cubic root of 996111943 is about 998.7022976972.

It can be divided in two parts, 9961 and 11943, that added together give a square (21904 = 148²).

The spelling of 996111943 in words is "nine hundred ninety-six million, one hundred eleven thousand, nine hundred forty-three".