43308244660973 has 2 divisors, whose sum is σ = 43308244660974. Its totient is φ = 43308244660972.

The previous prime is 43308244660957. The next prime is 43308244661063. The reversal of 43308244660973 is 37906644280334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32780640291844 + 10527604369129 = 5725438^2 + 3244627^2 .

It is a cyclic number.

It is not a de Polignac number, because 43308244660973 - 2⁴ = 43308244660957 is a prime.

It is a super-2 number, since 2×43308244660973² (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 (43308244660073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21654122330486 + 21654122330487.

It is an arithmetic number, because the mean of its divisors is an integer number (21654122330487).

Almost surely, 2^{43308244660973} is an apocalyptic number.

It is an amenable number.

43308244660973 is a deficient number, since it is larger than the sum of its proper divisors (1).

43308244660973 is an equidigital number, since it uses as much as digits as its factorization.

43308244660973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62705664, while the sum is 59.

The spelling of 43308244660973 in words is "forty-three trillion, three hundred eight billion, two hundred forty-four million, six hundred sixty thousand, nine hundred seventy-three".