3649856648143 has 2 divisors, whose sum is σ = 3649856648144. Its totient is φ = 3649856648142.

The previous prime is 3649856648077. The next prime is 3649856648149. The reversal of 3649856648143 is 3418466589463.

It is a happy number.

3649856648143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3649856648143 - 2³³ = 3641266713551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3649856648149) 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, 1824928324071 + 1824928324072.

It is an arithmetic number, because the mean of its divisors is an integer number (1824928324072).

Almost surely, 2^{3649856648143} is an apocalyptic number.

3649856648143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3649856648143 is an equidigital number, since it uses as much as digits as its factorization.

3649856648143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 358318080, while the sum is 67.

The spelling of 3649856648143 in words is "three trillion, six hundred forty-nine billion, eight hundred fifty-six million, six hundred forty-eight thousand, one hundred forty-three".