3736666673749 has 2 divisors, whose sum is σ = 3736666673750. Its totient is φ = 3736666673748.

The previous prime is 3736666673671. The next prime is 3736666673759. The reversal of 3736666673749 is 9473766666373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3174301665649 + 562365008100 = 1781657^2 + 749910^2 .

It is an emirp because it is prime and its reverse (9473766666373) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3736666673749 - 2¹⁷ = 3736666542677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3736666673759) 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, 1868333336874 + 1868333336875.

It is an arithmetic number, because the mean of its divisors is an integer number (1868333336875).

Almost surely, 2^{3736666673749} is an apocalyptic number.

It is an amenable number.

3736666673749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3736666673749 is an equidigital number, since it uses as much as digits as its factorization.

3736666673749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592487296, while the sum is 73.

The spelling of 3736666673749 in words is "three trillion, seven hundred thirty-six billion, six hundred sixty-six million, six hundred seventy-three thousand, seven hundred forty-nine".