2030440043729 has 2 divisors, whose sum is σ = 2030440043730. Its totient is φ = 2030440043728.

The previous prime is 2030440043719. The next prime is 2030440043741. The reversal of 2030440043729 is 9273400440302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1617309910225 + 413130133504 = 1271735^2 + 642752^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030440043729 - 2⁴ = 2030440043713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2030440043692 and 2030440043701.

It is not a weakly prime, because it can be changed into another prime (2030440043719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015220021864 + 1015220021865.

It is an arithmetic number, because the mean of its divisors is an integer number (1015220021865).

Almost surely, 2^{2030440043729} is an apocalyptic number.

It is an amenable number.

2030440043729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030440043729 is an equidigital number, since it uses as much as digits as its factorization.

2030440043729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 2030440043729 in words is "two trillion, thirty billion, four hundred forty million, forty-three thousand, seven hundred twenty-nine".