2043220469 has 2 divisors, whose sum is σ = 2043220470. Its totient is φ = 2043220468.

The previous prime is 2043220427. The next prime is 2043220483. The reversal of 2043220469 is 9640223402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2040780625 + 2439844 = 45175^2 + 1562^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043220469 - 2²⁴ = 2026443253 is a prime.

It is a super-2 number, since 2×2043220469² = 8349499769881159922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043520469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021610234 + 1021610235.

It is an arithmetic number, because the mean of its divisors is an integer number (1021610235).

Almost surely, 2^2043220469 is an apocalyptic number.

It is an amenable number.

2043220469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043220469 is an equidigital number, since it uses as much as digits as its factorization.

2043220469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 2043220469 is about 45201.9962944116. The cubic root of 2043220469 is about 1268.9321772133.

The spelling of 2043220469 in words is "two billion, forty-three million, two hundred twenty thousand, four hundred sixty-nine".