999981682363 has 2 divisors, whose sum is σ = 999981682364. Its totient is φ = 999981682362.

The previous prime is 999981682253. The next prime is 999981682417. The reversal of 999981682363 is 363286189999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999981682363 - 2⁹ = 999981681851 is a prime.

It is a super-4 number, since 4×999981682363⁴ (a number of 49 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (999981682463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499990841181 + 499990841182.

It is an arithmetic number, because the mean of its divisors is an integer number (499990841182).

Almost surely, 2^999981682363 is an apocalyptic number.

999981682363 is a deficient number, since it is larger than the sum of its proper divisors (1).

999981682363 is an equidigital number, since it uses as much as digits as its factorization.

999981682363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272097792, while the sum is 73.

The spelling of 999981682363 in words is "nine hundred ninety-nine billion, nine hundred eighty-one million, six hundred eighty-two thousand, three hundred sixty-three".