3820132205609 has 2 divisors, whose sum is σ = 3820132205610. Its totient is φ = 3820132205608.

The previous prime is 3820132205531. The next prime is 3820132205693. The reversal of 3820132205609 is 9065022310283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3346898279209 + 473233926400 = 1829453^2 + 687920^2 .

It is a cyclic number.

It is not a de Polignac number, because 3820132205609 - 2³⁶ = 3751412728873 is a prime.

It is not a weakly prime, because it can be changed into another prime (3820132205699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1910066102804 + 1910066102805.

It is an arithmetic number, because the mean of its divisors is an integer number (1910066102805).

Almost surely, 2^{3820132205609} is an apocalyptic number.

It is an amenable number.

3820132205609 is a deficient number, since it is larger than the sum of its proper divisors (1).

3820132205609 is an equidigital number, since it uses as much as digits as its factorization.

3820132205609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 3820132205609 in words is "three trillion, eight hundred twenty billion, one hundred thirty-two million, two hundred five thousand, six hundred nine".