999803276843141 has 4 divisors (see below), whose sum is σ = 999803349865632. Its totient is φ = 999803203820652.

The previous prime is 999803276843099. The next prime is 999803276843149. The reversal of 999803276843141 is 141348672308999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999803276843141 is a prime.

It is a deceptive number, since it divides R_{999803276843140}.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999803276843149) 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 in 3 ways as a sum of consecutive naturals, for example, 9127811 + ... + 45639056.

It is an arithmetic number, because the mean of its divisors is an integer number (249950837466408).

It is a Poulet number, since it divides 2^{999803276843140}-1.

Almost surely, 2^{999803276843141} is an apocalyptic number.

999803276843141 is the 18255623-rd octagonal number.

It is an amenable number.

999803276843141 is a deficient number, since it is larger than the sum of its proper divisors (73022491).

999803276843141 is a wasteful number, since it uses less digits than its factorization.

999803276843141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73022490.

The product of its (nonzero) digits is 564350976, while the sum is 74.

The spelling of 999803276843141 in words is "nine hundred ninety-nine trillion, eight hundred three billion, two hundred seventy-six million, eight hundred forty-three thousand, one hundred forty-one".