996571826017 has 2 divisors, whose sum is σ = 996571826018. Its totient is φ = 996571826016.

The previous prime is 996571826009. The next prime is 996571826087. The reversal of 996571826017 is 710628175699.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 924666867216 + 71904958801 = 961596^2 + 268151^2 .

It is a cyclic number.

It is not a de Polignac number, because 996571826017 - 2³ = 996571826009 is a prime.

It is not a weakly prime, because it can be changed into another prime (996571826087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498285913008 + 498285913009.

It is an arithmetic number, because the mean of its divisors is an integer number (498285913009).

Almost surely, 2^996571826017 is an apocalyptic number.

It is an amenable number.

996571826017 is a deficient number, since it is larger than the sum of its proper divisors (1).

996571826017 is an equidigital number, since it uses as much as digits as its factorization.

996571826017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11430720, while the sum is 61.

The spelling of 996571826017 in words is "nine hundred ninety-six billion, five hundred seventy-one million, eight hundred twenty-six thousand, seventeen".