998853295222301 has 4 divisors (see below), whose sum is σ = 998853359735004. Its totient is φ = 998853230709600.

The previous prime is 998853295222199. The next prime is 998853295222303. The reversal of 998853295222301 is 103222592358899.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 756605891860900 + 242247403361401 = 27506470^2 + 15564299^2 .

It is a cyclic number.

It is not a de Polignac number, because 998853295222301 - 2¹⁴ = 998853295205917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998853295222303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6451271 + ... + 45158891.

It is an arithmetic number, because the mean of its divisors is an integer number (249713339933751).

It is a Poulet number, since it divides 2^{998853295222300}-1.

Almost surely, 2^{998853295222301} is an apocalyptic number.

998853295222301 is the 25805081-st pentagonal number.

It is an amenable number.

998853295222301 is a deficient number, since it is larger than the sum of its proper divisors (64512703).

998853295222301 is a wasteful number, since it uses less digits than its factorization.

998853295222301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64512702.

The product of its (nonzero) digits is 167961600, while the sum is 68.

The spelling of 998853295222301 in words is "nine hundred ninety-eight trillion, eight hundred fifty-three billion, two hundred ninety-five million, two hundred twenty-two thousand, three hundred one".