744231213321433 has 8 divisors (see below), whose sum is σ = 744736173200136. Its totient is φ = 743726256739200.

The previous prime is 744231213321419. The next prime is 744231213321451. The reversal of 744231213321433 is 334123312132447.

It can be written as a sum of positive squares in 4 ways, for example, as 535698061103104 + 208533152218329 = 23145152^2 + 14440677^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 744231213321433 - 2³³ = 744222623386841 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 744231213321433.

It is not an unprimeable number, because it can be changed into a prime (744231213321413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598492263 + ... + 599734483.

It is an arithmetic number, because the mean of its divisors is an integer number (93092021650017).

Almost surely, 2^{744231213321433} is an apocalyptic number.

It is an amenable number.

744231213321433 is a deficient number, since it is larger than the sum of its proper divisors (504959878703).

744231213321433 is a wasteful number, since it uses less digits than its factorization.

744231213321433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648235.

The product of its digits is 870912, while the sum is 43.

The spelling of 744231213321433 in words is "seven hundred forty-four trillion, two hundred thirty-one billion, two hundred thirteen million, three hundred twenty-one thousand, four hundred thirty-three".