6667067400379 has 2 divisors, whose sum is σ = 6667067400380. Its totient is φ = 6667067400378.

The previous prime is 6667067400359. The next prime is 6667067400419. The reversal of 6667067400379 is 9730047607666.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6667067400379 - 2⁵ = 6667067400347 is a prime.

It is not a weakly prime, because it can be changed into another prime (6667067400359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333533700189 + 3333533700190.

It is an arithmetic number, because the mean of its divisors is an integer number (3333533700190).

Almost surely, 2^{6667067400379} is an apocalyptic number.

6667067400379 is a deficient number, since it is larger than the sum of its proper divisors (1).

6667067400379 is an equidigital number, since it uses as much as digits as its factorization.

6667067400379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48009024, while the sum is 61.

The spelling of 6667067400379 in words is "six trillion, six hundred sixty-seven billion, sixty-seven million, four hundred thousand, three hundred seventy-nine".