2668487384619 has 20 divisors (see below), whose sum is σ = 4555724495344. Its totient is φ = 1524849933744.

The previous prime is 2668487384609. The next prime is 2668487384627. The reversal of 2668487384619 is 9164837848662.

2668487384619 is a `hidden beast` number, since 2 + 6 + 6 + 8 + 487 + 3 + 84 + 61 + 9 = 666.

It is not a de Polignac number, because 2668487384619 - 2¹¹ = 2668487382571 is a prime.

It is a super-2 number, since 2×2668487384619² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2668487384609) 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 19 ways as a sum of consecutive naturals, for example, 2353162912 + ... + 2353164045.

Almost surely, 2^{2668487384619} is an apocalyptic number.

2668487384619 is a deficient number, since it is larger than the sum of its proper divisors (1887237110725).

2668487384619 is an equidigital number, since it uses as much as digits as its factorization.

2668487384619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4706326976 (or 4706326967 counting only the distinct ones).

The product of its digits is 668860416, while the sum is 72.

The spelling of 2668487384619 in words is "two trillion, six hundred sixty-eight billion, four hundred eighty-seven million, three hundred eighty-four thousand, six hundred nineteen".