43143035053 has 2 divisors, whose sum is σ = 43143035054. Its totient is φ = 43143035052.

The previous prime is 43143035041. The next prime is 43143035069. The reversal of 43143035053 is 35053034134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40065226569 + 3077808484 = 200163^2 + 55478^2 .

It is a cyclic number.

It is not a de Polignac number, because 43143035053 - 2⁹ = 43143034541 is a prime.

It is a super-2 number, since 2×43143035053² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43143035003) 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, 21571517526 + 21571517527.

It is an arithmetic number, because the mean of its divisors is an integer number (21571517527).

Almost surely, 2^43143035053 is an apocalyptic number.

It is an amenable number.

43143035053 is a deficient number, since it is larger than the sum of its proper divisors (1).

43143035053 is an equidigital number, since it uses as much as digits as its factorization.

43143035053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 43143035053 its reverse (35053034134), we get a palindrome (78196069187).

The spelling of 43143035053 in words is "forty-three billion, one hundred forty-three million, thirty-five thousand, fifty-three".