4405982081669 has 16 divisors (see below), whose sum is σ = 5053799808000. Its totient is φ = 3762763438464.

The previous prime is 4405982081663. The next prime is 4405982081689. The reversal of 4405982081669 is 9661802895044.

It is a cyclic number.

It is not a de Polignac number, because 4405982081669 - 2⁴ = 4405982081653 is a prime.

It is a super-2 number, since 2×4405982081669² (a number of 26 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 (4405982081663) 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, 82669772 + ... + 82723050.

It is an arithmetic number, because the mean of its divisors is an integer number (315862488000).

Almost surely, 2^{4405982081669} is an apocalyptic number.

It is an amenable number.

4405982081669 is a deficient number, since it is larger than the sum of its proper divisors (647817726331).

4405982081669 is a wasteful number, since it uses less digits than its factorization.

4405982081669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96212.

The product of its (nonzero) digits is 29859840, while the sum is 62.

The spelling of 4405982081669 in words is "four trillion, four hundred five billion, nine hundred eighty-two million, eighty-one thousand, six hundred sixty-nine".