5373751203521 has 2 divisors, whose sum is σ = 5373751203522. Its totient is φ = 5373751203520.

The previous prime is 5373751203463. The next prime is 5373751203523. The reversal of 5373751203521 is 1253021573735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5069972755600 + 303778447921 = 2251660^2 + 551161^2 .

It is a cyclic number.

It is not a de Polignac number, because 5373751203521 - 2³⁸ = 5098873296577 is a prime.

Together with 5373751203523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5373751203523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2686875601760 + 2686875601761.

It is an arithmetic number, because the mean of its divisors is an integer number (2686875601761).

Almost surely, 2^{5373751203521} is an apocalyptic number.

It is an amenable number.

5373751203521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5373751203521 is an equidigital number, since it uses as much as digits as its factorization.

5373751203521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 661500, while the sum is 44.

The spelling of 5373751203521 in words is "five trillion, three hundred seventy-three billion, seven hundred fifty-one million, two hundred three thousand, five hundred twenty-one".