2183344972729 has 2 divisors, whose sum is σ = 2183344972730. Its totient is φ = 2183344972728.

The previous prime is 2183344972717. The next prime is 2183344972747. The reversal of 2183344972729 is 9272794433812.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1248410686329 + 934934286400 = 1117323^2 + 966920^2 .

It is a cyclic number.

It is not a de Polignac number, because 2183344972729 - 2⁹ = 2183344972217 is a prime.

It is not a weakly prime, because it can be changed into another prime (2183344972709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1091672486364 + 1091672486365.

It is an arithmetic number, because the mean of its divisors is an integer number (1091672486365).

Almost surely, 2^{2183344972729} is an apocalyptic number.

It is an amenable number.

2183344972729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2183344972729 is an equidigital number, since it uses as much as digits as its factorization.

2183344972729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36578304, while the sum is 61.

The spelling of 2183344972729 in words is "two trillion, one hundred eighty-three billion, three hundred forty-four million, nine hundred seventy-two thousand, seven hundred twenty-nine".