21753576530341 has 2 divisors, whose sum is σ = 21753576530342. Its totient is φ = 21753576530340.

The previous prime is 21753576530333. The next prime is 21753576530347. The reversal of 21753576530341 is 14303567535712.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20272317145441 + 1481259384900 = 4502479^2 + 1217070^2 .

It is a cyclic number.

It is not a de Polignac number, because 21753576530341 - 2³ = 21753576530333 is a prime.

It is a super-2 number, since 2×21753576530341² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21753576530347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10876788265170 + 10876788265171.

It is an arithmetic number, because the mean of its divisors is an integer number (10876788265171).

Almost surely, 2^{21753576530341} is an apocalyptic number.

It is an amenable number.

21753576530341 is a deficient number, since it is larger than the sum of its proper divisors (1).

21753576530341 is an equidigital number, since it uses as much as digits as its factorization.

21753576530341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938000, while the sum is 52.

The spelling of 21753576530341 in words is "twenty-one trillion, seven hundred fifty-three billion, five hundred seventy-six million, five hundred thirty thousand, three hundred forty-one".