744869525968447 has 12 divisors (see below), whose sum is σ = 821535221442600. Its totient is φ = 674843008291760.

The previous prime is 744869525968439. The next prime is 744869525968457.

744869525968447 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 744869525968447 - 2³ = 744869525968439 is a prime.

It is a super-2 number, since 2×744869525968447² (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 (744869525968457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10504992697 + ... + 10505063602.

It is an arithmetic number, because the mean of its divisors is an integer number (68461268453550).

Almost surely, 2^{744869525968447} is an apocalyptic number.

744869525968447 is a deficient number, since it is larger than the sum of its proper divisors (76665695474153).

744869525968447 is a wasteful number, since it uses less digits than its factorization.

744869525968447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21010056614 (or 21010056603 counting only the distinct ones).

The product of its digits is 117050572800, while the sum is 88.

The spelling of 744869525968447 in words is "seven hundred forty-four trillion, eight hundred sixty-nine billion, five hundred twenty-five million, nine hundred sixty-eight thousand, four hundred forty-seven".