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2249807069 is a prime number
BaseRepresentation
bin1000011000011001…
…0101010011011101
312210210102001002202
42012012111103131
514101422311234
61011125101245
7106516021166
oct20606252335
95723361082
102249807069
11a54a59394
12529557825
1329b14ccb3
14174b2476d
15d27a977e
hex861954dd

2249807069 has 2 divisors, whose sum is σ = 2249807070. Its totient is φ = 2249807068.

The previous prime is 2249807029. The next prime is 2249807071. The reversal of 2249807069 is 9607089422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1194531844 + 1055275225 = 34562^2 + 32485^2 .

It is a cyclic number.

It is not a de Polignac number, because 2249807069 - 28 = 2249806813 is a prime.

It is a super-2 number, since 2×22498070692 = 10123263695444741522, which contains 22 as substring.

Together with 2249807071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2249807029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124903534 + 1124903535.

It is an arithmetic number, because the mean of its divisors is an integer number (1124903535).

Almost surely, 22249807069 is an apocalyptic number.

It is an amenable number.

2249807069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2249807069 is an equidigital number, since it uses as much as digits as its factorization.

2249807069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 2249807069 is about 47432.1311876243. The cubic root of 2249807069 is about 1310.3332425333. Note that the first 3 decimals are identical.

The spelling of 2249807069 in words is "two billion, two hundred forty-nine million, eight hundred seven thousand, sixty-nine".