4043046621109 has 2 divisors, whose sum is σ = 4043046621110. Its totient is φ = 4043046621108.

The previous prime is 4043046621091. The next prime is 4043046621167. The reversal of 4043046621109 is 9011266403404.

Together with previous prime (4043046621091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3228580080625 + 814466540484 = 1796825^2 + 902478^2 .

It is a cyclic number.

It is not a de Polignac number, because 4043046621109 - 2³⁹ = 3493290807221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4043046625109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021523310554 + 2021523310555.

It is an arithmetic number, because the mean of its divisors is an integer number (2021523310555).

Almost surely, 2^{4043046621109} is an apocalyptic number.

It is an amenable number.

4043046621109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043046621109 is an equidigital number, since it uses as much as digits as its factorization.

4043046621109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 4043046621109 in words is "four trillion, forty-three billion, forty-six million, six hundred twenty-one thousand, one hundred nine".