744424424447 has 4 divisors (see below), whose sum is σ = 812099372136. Its totient is φ = 676749476760.

The previous prime is 744424424417. The next prime is 744424424449.

744424424447 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 744424424447 - 2¹⁰ = 744424423423 is a prime.

It is a super-2 number, since 2×744424424447² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 744424424395 and 744424424404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744424424449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33837473828 + ... + 33837473849.

It is an arithmetic number, because the mean of its divisors is an integer number (203024843034).

Almost surely, 2^744424424447 is an apocalyptic number.

744424424447 is a deficient number, since it is larger than the sum of its proper divisors (67674947689).

744424424447 is a wasteful number, since it uses less digits than its factorization.

744424424447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67674947688.

The product of its digits is 12845056, while the sum is 50.

The spelling of 744424424447 in words is "seven hundred forty-four billion, four hundred twenty-four million, four hundred twenty-four thousand, four hundred forty-seven".