5643739329853 has 2 divisors, whose sum is σ = 5643739329854. Its totient is φ = 5643739329852.

The previous prime is 5643739329773. The next prime is 5643739329859. The reversal of 5643739329853 is 3589239373465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4800424034169 + 843315295684 = 2190987^2 + 918322^2 .

It is a cyclic number.

It is not a de Polignac number, because 5643739329853 - 2²¹ = 5643737232701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5643739329859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2821869664926 + 2821869664927.

It is an arithmetic number, because the mean of its divisors is an integer number (2821869664927).

Almost surely, 2^{5643739329853} is an apocalyptic number.

It is an amenable number.

5643739329853 is a deficient number, since it is larger than the sum of its proper divisors (1).

5643739329853 is an equidigital number, since it uses as much as digits as its factorization.

5643739329853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 440899200, while the sum is 67.

The spelling of 5643739329853 in words is "five trillion, six hundred forty-three billion, seven hundred thirty-nine million, three hundred twenty-nine thousand, eight hundred fifty-three".