43452142528189 has 2 divisors, whose sum is σ = 43452142528190. Its totient is φ = 43452142528188.

The previous prime is 43452142528133. The next prime is 43452142528213. The reversal of 43452142528189 is 98182524125434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39329078264100 + 4123064264089 = 6271290^2 + 2030533^2 .

It is a cyclic number.

It is not a de Polignac number, because 43452142528189 - 2¹¹ = 43452142526141 is a prime.

It is a super-2 number, since 2×43452142528189² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43452142528129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21726071264094 + 21726071264095.

It is an arithmetic number, because the mean of its divisors is an integer number (21726071264095).

Almost surely, 2^{43452142528189} is an apocalyptic number.

It is an amenable number.

43452142528189 is a deficient number, since it is larger than the sum of its proper divisors (1).

43452142528189 is an equidigital number, since it uses as much as digits as its factorization.

43452142528189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22118400, while the sum is 58.

The spelling of 43452142528189 in words is "forty-three trillion, four hundred fifty-two billion, one hundred forty-two million, five hundred twenty-eight thousand, one hundred eighty-nine".