2043241315109 has 2 divisors, whose sum is σ = 2043241315110. Its totient is φ = 2043241315108.

The previous prime is 2043241315069. The next prime is 2043241315127. The reversal of 2043241315109 is 9015131423402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1229222342209 + 814018972900 = 1108703^2 + 902230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2043241315109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043241315009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021620657554 + 1021620657555.

It is an arithmetic number, because the mean of its divisors is an integer number (1021620657555).

Almost surely, 2^{2043241315109} is an apocalyptic number.

It is an amenable number.

2043241315109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043241315109 is an equidigital number, since it uses as much as digits as its factorization.

2043241315109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 2043241315109 in words is "two trillion, forty-three billion, two hundred forty-one million, three hundred fifteen thousand, one hundred nine".