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2249308489481 is a prime number
BaseRepresentation
bin100000101110110101001…
…110111100011100001001
321222000212011202022222122
4200232311032330130021
5243323040433130411
64441152411101025
7321335650462124
oct40566516743411
97860764668878
102249308489481
11797a21003a39
12303b20a41775
13134155297031
147ac1d4d73bb
153d79a24e9db
hex20bb53bc709

2249308489481 has 2 divisors, whose sum is σ = 2249308489482. Its totient is φ = 2249308489480.

The previous prime is 2249308489447. The next prime is 2249308489487. The reversal of 2249308489481 is 1849848039422.

2249308489481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2031149433856 + 218159055625 = 1425184^2 + 467075^2 .

It is a cyclic number.

It is not a de Polignac number, because 2249308489481 - 210 = 2249308488457 is a prime.

It is a super-2 number, since 2×22493084894812 (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2249308489487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124654244740 + 1124654244741.

It is an arithmetic number, because the mean of its divisors is an integer number (1124654244741).

Almost surely, 22249308489481 is an apocalyptic number.

It is an amenable number.

2249308489481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2249308489481 is an equidigital number, since it uses as much as digits as its factorization.

2249308489481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31850496, while the sum is 62.

The spelling of 2249308489481 in words is "two trillion, two hundred forty-nine billion, three hundred eight million, four hundred eighty-nine thousand, four hundred eighty-one".