3648338776109 has 2 divisors, whose sum is σ = 3648338776110. Its totient is φ = 3648338776108.

The previous prime is 3648338776097. The next prime is 3648338776141. The reversal of 3648338776109 is 9016778338463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3573045062500 + 75293713609 = 1890250^2 + 274397^2 .

It is a cyclic number.

It is not a de Polignac number, because 3648338776109 - 2³² = 3644043808813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3648338776169) 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, 1824169388054 + 1824169388055.

It is an arithmetic number, because the mean of its divisors is an integer number (1824169388055).

Almost surely, 2^{3648338776109} is an apocalyptic number.

It is an amenable number.

3648338776109 is a deficient number, since it is larger than the sum of its proper divisors (1).

3648338776109 is an equidigital number, since it uses as much as digits as its factorization.

3648338776109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109734912, while the sum is 65.

The spelling of 3648338776109 in words is "three trillion, six hundred forty-eight billion, three hundred thirty-eight million, seven hundred seventy-six thousand, one hundred nine".