999998835009047 has 2 divisors, whose sum is σ = 999998835009048. Its totient is φ = 999998835009046.

The previous prime is 999998835008951. The next prime is 999998835009049. The reversal of 999998835009047 is 740900538899999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999998835009047 - 2¹² = 999998835004951 is a prime.

Together with 999998835009049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999998835009049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499999417504523 + 499999417504524.

It is an arithmetic number, because the mean of its divisors is an integer number (499999417504524).

Almost surely, 2^{999998835009047} is an apocalyptic number.

999998835009047 is a deficient number, since it is larger than the sum of its proper divisors (1).

999998835009047 is an equidigital number, since it uses as much as digits as its factorization.

999998835009047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14285134080, while the sum is 89.

The spelling of 999998835009047 in words is "nine hundred ninety-nine trillion, nine hundred ninety-eight billion, eight hundred thirty-five million, nine thousand, forty-seven".