2421042269 has 2 divisors, whose sum is σ = 2421042270. Its totient is φ = 2421042268.

The previous prime is 2421042259. The next prime is 2421042271. The reversal of 2421042269 is 9622401242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1255639225 + 1165403044 = 35435^2 + 34138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2421042269 is a prime.

It is a super-2 number, since 2×2421042269² = 11722891336569336722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 2421042271, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421042259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210521134 + 1210521135.

It is an arithmetic number, because the mean of its divisors is an integer number (1210521135).

Almost surely, 2^2421042269 is an apocalyptic number.

It is an amenable number.

2421042269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421042269 is an equidigital number, since it uses as much as digits as its factorization.

2421042269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 2421042269 is about 49204.0879297645. The cubic root of 2421042269 is about 1342.7674056026.

The spelling of 2421042269 in words is "two billion, four hundred twenty-one million, forty-two thousand, two hundred sixty-nine".