744466664447 has 16 divisors (see below), whose sum is σ = 818480298240. Its totient is φ = 671510548800.

The previous prime is 744466664419. The next prime is 744466664567.

It is a happy number.

744466664447 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 744466664447 - 2²⁴ = 744449887231 is a prime.

It is a super-2 number, since 2×744466664447² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 744466664447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744466664407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9403454 + ... + 9482292.

It is an arithmetic number, because the mean of its divisors is an integer number (51155018640).

Almost surely, 2^744466664447 is an apocalyptic number.

744466664447 is a deficient number, since it is larger than the sum of its proper divisors (74013633793).

744466664447 is a wasteful number, since it uses less digits than its factorization.

744466664447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85534.

The product of its digits is 260112384, while the sum is 62.

The spelling of 744466664447 in words is "seven hundred forty-four billion, four hundred sixty-six million, six hundred sixty-four thousand, four hundred forty-seven".