3678232320409 has 2 divisors, whose sum is σ = 3678232320410. Its totient is φ = 3678232320408.

The previous prime is 3678232320379. The next prime is 3678232320437. The reversal of 3678232320409 is 9040232328763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3190253232384 + 487979088025 = 1786128^2 + 698555^2 .

It is a cyclic number.

It is not a de Polignac number, because 3678232320409 - 2¹⁹ = 3678231796121 is a prime.

It is not a weakly prime, because it can be changed into another prime (3678232324409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1839116160204 + 1839116160205.

It is an arithmetic number, because the mean of its divisors is an integer number (1839116160205).

Almost surely, 2^{3678232320409} is an apocalyptic number.

It is an amenable number.

3678232320409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3678232320409 is an equidigital number, since it uses as much as digits as its factorization.

3678232320409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 49.

The spelling of 3678232320409 in words is "three trillion, six hundred seventy-eight billion, two hundred thirty-two million, three hundred twenty thousand, four hundred nine".