3687103188449 has 2 divisors, whose sum is σ = 3687103188450. Its totient is φ = 3687103188448.

The previous prime is 3687103188427. The next prime is 3687103188487. The reversal of 3687103188449 is 9448813017863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3269341329424 + 417761859025 = 1808132^2 + 646345^2 .

It is a cyclic number.

It is not a de Polignac number, because 3687103188449 - 2³² = 3682808221153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3687103188391 and 3687103188400.

It is not a weakly prime, because it can be changed into another prime (3687403188449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1843551594224 + 1843551594225.

It is an arithmetic number, because the mean of its divisors is an integer number (1843551594225).

Almost surely, 2^{3687103188449} is an apocalyptic number.

It is an amenable number.

3687103188449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3687103188449 is an equidigital number, since it uses as much as digits as its factorization.

3687103188449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27869184, while the sum is 62.

The spelling of 3687103188449 in words is "three trillion, six hundred eighty-seven billion, one hundred three million, one hundred eighty-eight thousand, four hundred forty-nine".