2043241199969 has 2 divisors, whose sum is σ = 2043241199970. Its totient is φ = 2043241199968.

The previous prime is 2043241199959. The next prime is 2043241200047. The reversal of 2043241199969 is 9699911423402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1730111423569 + 313129776400 = 1315337^2 + 559580^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043241199969 - 2²⁴ = 2043224422753 is a prime.

It is a super-2 number, since 2×2043241199969² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2043241199939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021620599984 + 1021620599985.

It is an arithmetic number, because the mean of its divisors is an integer number (1021620599985).

Almost surely, 2^{2043241199969} is an apocalyptic number.

It is an amenable number.

2043241199969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043241199969 is an equidigital number, since it uses as much as digits as its factorization.

2043241199969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7558272, while the sum is 59.

The spelling of 2043241199969 in words is "two trillion, forty-three billion, two hundred forty-one million, one hundred ninety-nine thousand, nine hundred sixty-nine".