3736666673671 has 2 divisors, whose sum is σ = 3736666673672. Its totient is φ = 3736666673670.

The previous prime is 3736666673659. The next prime is 3736666673749. The reversal of 3736666673671 is 1763766666373.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3736666673671 - 2⁴¹ = 1537643418119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3736666673597 and 3736666673606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3736666673071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1868333336835 + 1868333336836.

It is an arithmetic number, because the mean of its divisors is an integer number (1868333336836).

Almost surely, 2^{3736666673671} is an apocalyptic number.

3736666673671 is a deficient number, since it is larger than the sum of its proper divisors (1).

3736666673671 is an equidigital number, since it uses as much as digits as its factorization.

3736666673671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432081216, while the sum is 67.

The spelling of 3736666673671 in words is "three trillion, seven hundred thirty-six billion, six hundred sixty-six million, six hundred seventy-three thousand, six hundred seventy-one".