743429323856 has 10 divisors (see below), whose sum is σ = 1440394315002. Its totient is φ = 371714661920.

The previous prime is 743429323843. The next prime is 743429323859. The reversal of 743429323856 is 658323924347.

It can be written as a sum of positive squares in only one way, i.e., 534565699600 + 208863624256 = 731140^2 + 457016^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743429323859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23232166355 + ... + 23232166386.

Almost surely, 2^743429323856 is an apocalyptic number.

It is an amenable number.

743429323856 is a deficient number, since it is larger than the sum of its proper divisors (696964991146).

743429323856 is a wasteful number, since it uses less digits than its factorization.

743429323856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46464332749 (or 46464332743 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 56.

The spelling of 743429323856 in words is "seven hundred forty-three billion, four hundred twenty-nine million, three hundred twenty-three thousand, eight hundred fifty-six".