2665322544443 has 8 divisors (see below), whose sum is σ = 2881017795600. Its totient is φ = 2451151641888.

The previous prime is 2665322544419. The next prime is 2665322544449. The reversal of 2665322544443 is 3444452235662.

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 2665322544443 - 2¹² = 2665322540347 is a prime.

It is a super-2 number, since 2×2665322544443² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2665322544391 and 2665322544400.

It is not an unprimeable number, because it can be changed into a prime (2665322544449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381083513 + ... + 381090506.

It is an arithmetic number, because the mean of its divisors is an integer number (360127224450).

Almost surely, 2^{2665322544443} is an apocalyptic number.

2665322544443 is a deficient number, since it is larger than the sum of its proper divisors (215695251157).

2665322544443 is a wasteful number, since it uses less digits than its factorization.

2665322544443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762174301.

The product of its digits is 16588800, while the sum is 50.

The spelling of 2665322544443 in words is "two trillion, six hundred sixty-five billion, three hundred twenty-two million, five hundred forty-four thousand, four hundred forty-three".