2665322544419 has 2 divisors, whose sum is σ = 2665322544420. Its totient is φ = 2665322544418.

The previous prime is 2665322544413. The next prime is 2665322544449. The reversal of 2665322544419 is 9144452235662.

2665322544419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2665322544419 - 2¹² = 2665322540323 is a prime.

It is a super-2 number, since 2×2665322544419² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2665322544413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332661272209 + 1332661272210.

It is an arithmetic number, because the mean of its divisors is an integer number (1332661272210).

Almost surely, 2^{2665322544419} is an apocalyptic number.

2665322544419 is a deficient number, since it is larger than the sum of its proper divisors (1).

2665322544419 is an equidigital number, since it uses as much as digits as its factorization.

2665322544419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12441600, while the sum is 53.

The spelling of 2665322544419 in words is "two trillion, six hundred sixty-five billion, three hundred twenty-two million, five hundred forty-four thousand, four hundred nineteen".