43035206563073 has 2 divisors, whose sum is σ = 43035206563074. Its totient is φ = 43035206563072.

The previous prime is 43035206563039. The next prime is 43035206563133. The reversal of 43035206563073 is 37036560253034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26691564966544 + 16343641596529 = 5166388^2 + 4042727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43035206563073 is a prime.

It is a super-2 number, since 2×43035206563073² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43035206566073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21517603281536 + 21517603281537.

It is an arithmetic number, because the mean of its divisors is an integer number (21517603281537).

Almost surely, 2^{43035206563073} is an apocalyptic number.

It is an amenable number.

43035206563073 is a deficient number, since it is larger than the sum of its proper divisors (1).

43035206563073 is an equidigital number, since it uses as much as digits as its factorization.

43035206563073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 47.

The spelling of 43035206563073 in words is "forty-three trillion, thirty-five billion, two hundred six million, five hundred sixty-three thousand, seventy-three".