2043137729 has 2 divisors, whose sum is σ = 2043137730. Its totient is φ = 2043137728.

The previous prime is 2043137717. The next prime is 2043137749. The reversal of 2043137729 is 9277313402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1300684225 + 742453504 = 36065^2 + 27248^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043137729 - 2¹⁶ = 2043072193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2043137692 and 2043137701.

It is not a weakly prime, because it can be changed into another prime (2043137749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021568864 + 1021568865.

It is an arithmetic number, because the mean of its divisors is an integer number (1021568865).

Almost surely, 2^2043137729 is an apocalyptic number.

It is an amenable number.

2043137729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043137729 is an equidigital number, since it uses as much as digits as its factorization.

2043137729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 2043137729 is about 45201.0810600809. The cubic root of 2043137729 is about 1268.9150485567.

The spelling of 2043137729 in words is "two billion, forty-three million, one hundred thirty-seven thousand, seven hundred twenty-nine".