743171245243 has 6 divisors (see below), whose sum is σ = 864505326156. Its totient is φ = 637003924452.

The previous prime is 743171245199. The next prime is 743171245261. The reversal of 743171245243 is 342542171347.

It is not a de Polignac number, because 743171245243 - 2⁹ = 743171244731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 743171245243.

It is not an unprimeable number, because it can be changed into a prime (743171240243) 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 5 ways as a sum of consecutive naturals, for example, 7583380005 + ... + 7583380102.

It is an arithmetic number, because the mean of its divisors is an integer number (144084221026).

Almost surely, 2^743171245243 is an apocalyptic number.

743171245243 is a deficient number, since it is larger than the sum of its proper divisors (121334080913).

743171245243 is a wasteful number, since it uses less digits than its factorization.

743171245243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15166760121 (or 15166760114 counting only the distinct ones).

The product of its digits is 564480, while the sum is 43.

The spelling of 743171245243 in words is "seven hundred forty-three billion, one hundred seventy-one million, two hundred forty-five thousand, two hundred forty-three".