999453344141 has 4 divisors (see below), whose sum is σ = 1142232393312. Its totient is φ = 856674294972.

The previous prime is 999453344137. The next prime is 999453344159. The reversal of 999453344141 is 141443354999.

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.

It is a cyclic number.

It is not a de Polignac number, because 999453344141 - 2² = 999453344137 is a prime.

It is a super-2 number, since 2×999453344141² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999455344141) 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 in 3 ways as a sum of consecutive naturals, for example, 71389524575 + ... + 71389524588.

It is an arithmetic number, because the mean of its divisors is an integer number (285558098328).

Almost surely, 2^999453344141 is an apocalyptic number.

It is an amenable number.

999453344141 is a deficient number, since it is larger than the sum of its proper divisors (142779049171).

999453344141 is a wasteful number, since it uses less digits than its factorization.

999453344141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142779049170.

The product of its digits is 8398080, while the sum is 56.

The spelling of 999453344141 in words is "nine hundred ninety-nine billion, four hundred fifty-three million, three hundred forty-four thousand, one hundred forty-one".