3667128217679 has 2 divisors, whose sum is σ = 3667128217680. Its totient is φ = 3667128217678.

The previous prime is 3667128217619. The next prime is 3667128217717. The reversal of 3667128217679 is 9767128217663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3667128217679 - 2²⁰ = 3667127169103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3667128217619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833564108839 + 1833564108840.

It is an arithmetic number, because the mean of its divisors is an integer number (1833564108840).

Almost surely, 2^{3667128217679} is an apocalyptic number.

3667128217679 is a deficient number, since it is larger than the sum of its proper divisors (1).

3667128217679 is an equidigital number, since it uses as much as digits as its factorization.

3667128217679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64012032, while the sum is 65.

The spelling of 3667128217679 in words is "three trillion, six hundred sixty-seven billion, one hundred twenty-eight million, two hundred seventeen thousand, six hundred seventy-nine".