999961448323724 has 6 divisors (see below), whose sum is σ = 1749932534566524. Its totient is φ = 499980724161860.

The previous prime is 999961448323723. The next prime is 999961448323769. The reversal of 999961448323724 is 427323844169999.

It is not an unprimeable number, because it can be changed into a prime (999961448323723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124995181040462 + ... + 124995181040469.

It is an arithmetic number, because the mean of its divisors is an integer number (291655422427754).

Almost surely, 2^{999961448323724} is an apocalyptic number.

It is an amenable number.

999961448323724 is a deficient number, since it is larger than the sum of its proper divisors (749971086242800).

999961448323724 is a wasteful number, since it uses less digits than its factorization.

999961448323724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249990362080935 (or 249990362080933 counting only the distinct ones).

The product of its digits is 5079158784, while the sum is 80.

The spelling of 999961448323724 in words is "nine hundred ninety-nine trillion, nine hundred sixty-one billion, four hundred forty-eight million, three hundred twenty-three thousand, seven hundred twenty-four".