2042205469 has 2 divisors, whose sum is σ = 2042205470. Its totient is φ = 2042205468.

The previous prime is 2042205463. The next prime is 2042205479. The reversal of 2042205469 is 9645022402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1928527225 + 113678244 = 43915^2 + 10662^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042205469 - 2²³ = 2033816861 is a prime.

It is a super-2 number, since 2×2042205469² = 8341206355227019922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2042205463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021102734 + 1021102735.

It is an arithmetic number, because the mean of its divisors is an integer number (1021102735).

Almost surely, 2^2042205469 is an apocalyptic number.

It is an amenable number.

2042205469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042205469 is an equidigital number, since it uses as much as digits as its factorization.

2042205469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2042205469 is about 45190.7675194834. The cubic root of 2042205469 is about 1268.7220221321.

The spelling of 2042205469 in words is "two billion, forty-two million, two hundred five thousand, four hundred sixty-nine".