43020866341 has 2 divisors, whose sum is σ = 43020866342. Its totient is φ = 43020866340.

The previous prime is 43020866293. The next prime is 43020866347. The reversal of 43020866341 is 14366802034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27108305316 + 15912561025 = 164646^2 + 126145^2 .

It is a cyclic number.

It is not a de Polignac number, because 43020866341 - 2¹³ = 43020858149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43020866341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43020866347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21510433170 + 21510433171.

It is an arithmetic number, because the mean of its divisors is an integer number (21510433171).

Almost surely, 2^43020866341 is an apocalyptic number.

It is an amenable number.

43020866341 is a deficient number, since it is larger than the sum of its proper divisors (1).

43020866341 is an equidigital number, since it uses as much as digits as its factorization.

43020866341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 43020866341 in words is "forty-three billion, twenty million, eight hundred sixty-six thousand, three hundred forty-one".