2043242043229 has 2 divisors, whose sum is σ = 2043242043230. Its totient is φ = 2043242043228.

The previous prime is 2043242043223. The next prime is 2043242043257. The reversal of 2043242043229 is 9223402423402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1648232307225 + 395009736004 = 1283835^2 + 628498^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043242043229 - 2²³ = 2043233654621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043242043223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021621021614 + 1021621021615.

It is an arithmetic number, because the mean of its divisors is an integer number (1021621021615).

Almost surely, 2^{2043242043229} is an apocalyptic number.

It is an amenable number.

2043242043229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043242043229 is an equidigital number, since it uses as much as digits as its factorization.

2043242043229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 2043242043229 in words is "two trillion, forty-three billion, two hundred forty-two million, forty-three thousand, two hundred twenty-nine".