744864545468447 has 8 divisors (see below), whose sum is σ = 745568240374320. Its totient is φ = 744161179014720.

The previous prime is 744864545468401. The next prime is 744864545468543.

744864545468447 is nontrivially palindromic in base 10.

744864545468447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 744864545468447 - 2¹⁰ = 744864545467423 is a prime.

It is a super-2 number, since 2×744864545468447² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744864545068447) 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, 77575172 + ... + 86646617.

It is an arithmetic number, because the mean of its divisors is an integer number (93196030046790).

Almost surely, 2^{744864545468447} is an apocalyptic number.

744864545468447 is a deficient number, since it is larger than the sum of its proper divisors (703694905873).

744864545468447 is a wasteful number, since it uses less digits than its factorization.

744864545468447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164226073.

The product of its digits is 46242201600, while the sum is 80.

The spelling of 744864545468447 in words is "seven hundred forty-four trillion, eight hundred sixty-four billion, five hundred forty-five million, four hundred sixty-eight thousand, four hundred forty-seven".