2667123093109 has 4 divisors (see below), whose sum is σ = 2670419908620. Its totient is φ = 2663826277600.

The previous prime is 2667123093097. The next prime is 2667123093197. The reversal of 2667123093109 is 9013903217662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2146195700100 + 520927393009 = 1464990^2 + 721753^2 .

It is a cyclic number.

It is not a de Polignac number, because 2667123093109 - 2¹⁹ = 2667122568821 is a prime.

It is a super-2 number, since 2×2667123093109² (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 (2667123493109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1648406542 + ... + 1648408159.

It is an arithmetic number, because the mean of its divisors is an integer number (667604977155).

Almost surely, 2^{2667123093109} is an apocalyptic number.

It is an amenable number.

2667123093109 is a deficient number, since it is larger than the sum of its proper divisors (3296815511).

2667123093109 is an equidigital number, since it uses as much as digits as its factorization.

2667123093109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296815510.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 2667123093109 in words is "two trillion, six hundred sixty-seven billion, one hundred twenty-three million, ninety-three thousand, one hundred nine".