43143436022437 has 2 divisors, whose sum is σ = 43143436022438. Its totient is φ = 43143436022436.

The previous prime is 43143436022381. The next prime is 43143436022459. The reversal of 43143436022437 is 73422063434134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42587644898241 + 555791124196 = 6525921^2 + 745514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43143436022437 is a prime.

It is a super-2 number, since 2×43143436022437² (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 (43143436020437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21571718011218 + 21571718011219.

It is an arithmetic number, because the mean of its divisors is an integer number (21571718011219).

Almost surely, 2^{43143436022437} is an apocalyptic number.

It is an amenable number.

43143436022437 is a deficient number, since it is larger than the sum of its proper divisors (1).

43143436022437 is an equidigital number, since it uses as much as digits as its factorization.

43143436022437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 46.

The spelling of 43143436022437 in words is "forty-three trillion, one hundred forty-three billion, four hundred thirty-six million, twenty-two thousand, four hundred thirty-seven".