6667067400419 has 2 divisors, whose sum is σ = 6667067400420. Its totient is φ = 6667067400418.

The previous prime is 6667067400379. The next prime is 6667067400493. The reversal of 6667067400419 is 9140047607666.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6667067400419 - 2⁸ = 6667067400163 is a prime.

It is a super-2 number, since 2×6667067400419² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6667067400619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333533700209 + 3333533700210.

It is an arithmetic number, because the mean of its divisors is an integer number (3333533700210).

Almost surely, 2^{6667067400419} is an apocalyptic number.

6667067400419 is a deficient number, since it is larger than the sum of its proper divisors (1).

6667067400419 is an equidigital number, since it uses as much as digits as its factorization.

6667067400419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 6667067400419 in words is "six trillion, six hundred sixty-seven billion, sixty-seven million, four hundred thousand, four hundred nineteen".