21052932443471 has 2 divisors, whose sum is σ = 21052932443472. Its totient is φ = 21052932443470.

The previous prime is 21052932443461. The next prime is 21052932443533. The reversal of 21052932443471 is 17434423925012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21052932443471 - 2²⁶ = 21052865334607 is a prime.

It is a super-3 number, since 3×21052932443471³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21052932443441) 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, 10526466221735 + 10526466221736.

It is an arithmetic number, because the mean of its divisors is an integer number (10526466221736).

Almost surely, 2^{21052932443471} is an apocalyptic number.

21052932443471 is a deficient number, since it is larger than the sum of its proper divisors (1).

21052932443471 is an equidigital number, since it uses as much as digits as its factorization.

21052932443471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 21052932443471 in words is "twenty-one trillion, fifty-two billion, nine hundred thirty-two million, four hundred forty-three thousand, four hundred seventy-one".