4043923228789 has 2 divisors, whose sum is σ = 4043923228790. Its totient is φ = 4043923228788.

The previous prime is 4043923228783. The next prime is 4043923228801. The reversal of 4043923228789 is 9878223293404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2890357011025 + 1153566217764 = 1700105^2 + 1074042^2 .

It is a cyclic number.

It is not a de Polignac number, because 4043923228789 - 2³ = 4043923228781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4043923228781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021961614394 + 2021961614395.

It is an arithmetic number, because the mean of its divisors is an integer number (2021961614395).

Almost surely, 2^{4043923228789} is an apocalyptic number.

It is an amenable number.

4043923228789 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043923228789 is an equidigital number, since it uses as much as digits as its factorization.

4043923228789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41803776, while the sum is 61.

The spelling of 4043923228789 in words is "four trillion, forty-three billion, nine hundred twenty-three million, two hundred twenty-eight thousand, seven hundred eighty-nine".