2669812830361 has 4 divisors (see below), whose sum is σ = 2674747789924. Its totient is φ = 2664877870800.

The previous prime is 2669812830271. The next prime is 2669812830413. The reversal of 2669812830361 is 1630382189662.

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 940735107225 + 1729077723136 = 969915^2 + 1314944^2 .

It is a cyclic number.

It is not a de Polignac number, because 2669812830361 - 2¹¹ = 2669812828313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2669812830761) 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 3 ways as a sum of consecutive naturals, for example, 2467478970 + ... + 2467480051.

It is an arithmetic number, because the mean of its divisors is an integer number (668686947481).

Almost surely, 2^{2669812830361} is an apocalyptic number.

It is an amenable number.

2669812830361 is a deficient number, since it is larger than the sum of its proper divisors (4934959563).

2669812830361 is an equidigital number, since it uses as much as digits as its factorization.

2669812830361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934959562.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 2669812830361 in words is "two trillion, six hundred sixty-nine billion, eight hundred twelve million, eight hundred thirty thousand, three hundred sixty-one".