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1214896469 is a prime number
BaseRepresentation
bin100100001101001…
…1101100101010101
310010200001010122112
41020122131211111
54442003141334
6320315240405
742051310133
oct11032354525
93120033575
101214896469
11573860776
1229aa49105
1316490b967
14b74ca753
15719ce4ce
hex4869d955

1214896469 has 2 divisors, whose sum is σ = 1214896470. Its totient is φ = 1214896468.

The previous prime is 1214896447. The next prime is 1214896519. The reversal of 1214896469 is 9646984121.

It is an a-pointer prime, because the next prime (1214896519) can be obtained adding 1214896469 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 713584369 + 501312100 = 26713^2 + 22390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1214896469 is a prime.

It is a super-2 number, since 2×12148964692 = 2951946860777335922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214896429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607448234 + 607448235.

It is an arithmetic number, because the mean of its divisors is an integer number (607448235).

Almost surely, 21214896469 is an apocalyptic number.

It is an amenable number.

1214896469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214896469 is an equidigital number, since it uses as much as digits as its factorization.

1214896469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 50.

The square root of 1214896469 is about 34855.3649959371. The cubic root of 1214896469 is about 1067.0376819494.

The spelling of 1214896469 in words is "one billion, two hundred fourteen million, eight hundred ninety-six thousand, four hundred sixty-nine".