996018386491 has 2 divisors, whose sum is σ = 996018386492. Its totient is φ = 996018386490.

The previous prime is 996018386437. The next prime is 996018386521. The reversal of 996018386491 is 194683810699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 996018386491 - 2⁹ = 996018385979 is a prime.

It is not a weakly prime, because it can be changed into another prime (996018386411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498009193245 + 498009193246.

It is an arithmetic number, because the mean of its divisors is an integer number (498009193246).

Almost surely, 2^996018386491 is an apocalyptic number.

996018386491 is a deficient number, since it is larger than the sum of its proper divisors (1).

996018386491 is an equidigital number, since it uses as much as digits as its factorization.

996018386491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20155392, while the sum is 64.

The spelling of 996018386491 in words is "nine hundred ninety-six billion, eighteen million, three hundred eighty-six thousand, four hundred ninety-one".