3486542320409 has 2 divisors, whose sum is σ = 3486542320410. Its totient is φ = 3486542320408.

The previous prime is 3486542320403. The next prime is 3486542320447. The reversal of 3486542320409 is 9040232456843.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3305978515225 + 180563805184 = 1818235^2 + 424928^2 .

It is a cyclic number.

It is not a de Polignac number, because 3486542320409 - 2⁸ = 3486542320153 is a prime.

It is not a weakly prime, because it can be changed into another prime (3486542320403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1743271160204 + 1743271160205.

It is an arithmetic number, because the mean of its divisors is an integer number (1743271160205).

Almost surely, 2^{3486542320409} is an apocalyptic number.

It is an amenable number.

3486542320409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3486542320409 is an equidigital number, since it uses as much as digits as its factorization.

3486542320409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4976640, while the sum is 50.

The spelling of 3486542320409 in words is "three trillion, four hundred eighty-six billion, five hundred forty-two million, three hundred twenty thousand, four hundred nine".