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2421043069 is a prime number
BaseRepresentation
bin1001000001001110…
…0010111101111101
320020201121201201211
42100103202331331
514424241334234
61040123204421
7113665345414
oct22023427575
96221551654
102421043069
111032685545
12576976711
132c7775a83
1418d77a47b
15e2831164
hex904e2f7d

2421043069 has 2 divisors, whose sum is σ = 2421043070. Its totient is φ = 2421043068.

The previous prime is 2421043033. The next prime is 2421043103. The reversal of 2421043069 is 9603401242.

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., 2397277444 + 23765625 = 48962^2 + 4875^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421043069 - 215 = 2421010301 is a prime.

It is a super-2 number, since 2×24210430692 = 11722899083905877522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2421043069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421043169) 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, 1210521534 + 1210521535.

It is an arithmetic number, because the mean of its divisors is an integer number (1210521535).

Almost surely, 22421043069 is an apocalyptic number.

It is an amenable number.

2421043069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421043069 is an equidigital number, since it uses as much as digits as its factorization.

2421043069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2421043069 is about 49204.0960591697. The cubic root of 2421043069 is about 1342.7675535022.

The spelling of 2421043069 in words is "two billion, four hundred twenty-one million, forty-three thousand, sixty-nine".