444371656969 has 8 divisors (see below), whose sum is σ = 447652384128. Its totient is φ = 441091468320.

The previous prime is 444371656951. The next prime is 444371657017. The reversal of 444371656969 is 969656173444.

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 444371656969 - 2²³ = 444363268361 is a prime.

It is a super-2 number, since 2×444371656969² (a number of 24 digits) contains 22 as substring.

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 444371656969.

It is not an unprimeable number, because it can be changed into a prime (444371656769) 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, 1604404 + ... + 1860874.

It is an arithmetic number, because the mean of its divisors is an integer number (55956548016).

Almost surely, 2^444371656969 is an apocalyptic number.

It is an amenable number.

444371656969 is a deficient number, since it is larger than the sum of its proper divisors (3280727159).

444371656969 is a wasteful number, since it uses less digits than its factorization.

444371656969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269255.

The product of its digits is 117573120, while the sum is 64.

The spelling of 444371656969 in words is "four hundred forty-four billion, three hundred seventy-one million, six hundred fifty-six thousand, nine hundred sixty-nine".