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998835000643 is a prime number
BaseRepresentation
bin11101000100011110011…
…01001001010101000011
310112111011112021022210201
432202033031021111003
5112331103230010033
62042505232310031
7132110030264314
oct16421715112503
93474145238721
10998835000643
11355670355707
121416b79a2317
1373260b0a4cc
14364b582860b
151aeae34147d
hexe88f349543

998835000643 has 2 divisors, whose sum is σ = 998835000644. Its totient is φ = 998835000642.

The previous prime is 998835000613. The next prime is 998835000703. The reversal of 998835000643 is 346000538899.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 998835000643 - 233 = 990245066051 is a prime.

It is not a weakly prime, because it can be changed into another prime (998835000613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499417500321 + 499417500322.

It is an arithmetic number, because the mean of its divisors is an integer number (499417500322).

Almost surely, 2998835000643 is an apocalyptic number.

998835000643 is a deficient number, since it is larger than the sum of its proper divisors (1).

998835000643 is an equidigital number, since it uses as much as digits as its factorization.

998835000643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 998835000643 in words is "nine hundred ninety-eight billion, eight hundred thirty-five million, six hundred forty-three", and thus it is an aban number.