43142573540273 has 2 divisors, whose sum is σ = 43142573540274. Its totient is φ = 43142573540272.

The previous prime is 43142573540267. The next prime is 43142573540317. The reversal of 43142573540273 is 37204537524134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31492557383329 + 11650016156944 = 5611823^2 + 3413212^2 .

It is a cyclic number.

It is not a de Polignac number, because 43142573540273 - 2¹² = 43142573536177 is a prime.

It is a super-2 number, since 2×43142573540273² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43142573540233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21571286770136 + 21571286770137.

It is an arithmetic number, because the mean of its divisors is an integer number (21571286770137).

Almost surely, 2^{43142573540273} is an apocalyptic number.

It is an amenable number.

43142573540273 is a deficient number, since it is larger than the sum of its proper divisors (1).

43142573540273 is an equidigital number, since it uses as much as digits as its factorization.

43142573540273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8467200, while the sum is 50.

The spelling of 43142573540273 in words is "forty-three trillion, one hundred forty-two billion, five hundred seventy-three million, five hundred forty thousand, two hundred seventy-three".