2043434117 has 2 divisors, whose sum is σ = 2043434118. Its totient is φ = 2043434116.

The previous prime is 2043434101. The next prime is 2043434123. The reversal of 2043434117 is 7114343402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2020862116 + 22572001 = 44954^2 + 4751^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043434117 - 2⁴ = 2043434101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2043434117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043434147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021717058 + 1021717059.

It is an arithmetic number, because the mean of its divisors is an integer number (1021717059).

Almost surely, 2^2043434117 is an apocalyptic number.

It is an amenable number.

2043434117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043434117 is an equidigital number, since it uses as much as digits as its factorization.

2043434117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 2043434117 is about 45204.3594910933. The cubic root of 2043434117 is about 1268.9764040238.

Adding to 2043434117 its reverse (7114343402), we get a palindrome (9157777519).

The spelling of 2043434117 in words is "two billion, forty-three million, four hundred thirty-four thousand, one hundred seventeen".