5673533538121 has 2 divisors, whose sum is σ = 5673533538122. Its totient is φ = 5673533538120.

The previous prime is 5673533538119. The next prime is 5673533538181. The reversal of 5673533538121 is 1218353353765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4426559315721 + 1246974222400 = 2103939^2 + 1116680^2 .

It is a cyclic number.

It is not a de Polignac number, because 5673533538121 - 2¹ = 5673533538119 is a prime.

Together with 5673533538119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5673533538181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2836766769060 + 2836766769061.

It is an arithmetic number, because the mean of its divisors is an integer number (2836766769061).

Almost surely, 2^{5673533538121} is an apocalyptic number.

It is an amenable number.

5673533538121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5673533538121 is an equidigital number, since it uses as much as digits as its factorization.

5673533538121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804000, while the sum is 52.

The spelling of 5673533538121 in words is "five trillion, six hundred seventy-three billion, five hundred thirty-three million, five hundred thirty-eight thousand, one hundred twenty-one".