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1349875829 is a prime number
BaseRepresentation
bin101000001110101…
…0111100001110101
310111002000210112002
41100131113201311
510231032011304
6341540305045
745310520021
oct12035274165
93432023462
101349875829
11632a73765
123180a2185
1318687b9c3
14cb3c5381
157d79331e
hex50757875

1349875829 has 2 divisors, whose sum is σ = 1349875830. Its totient is φ = 1349875828.

The previous prime is 1349875817. The next prime is 1349875831. The reversal of 1349875829 is 9285789431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1104232900 + 245642929 = 33230^2 + 15673^2 .

It is an emirp because it is prime and its reverse (9285789431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1349875829 - 220 = 1348827253 is a prime.

Together with 1349875831, 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 (1349875859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674937914 + 674937915.

It is an arithmetic number, because the mean of its divisors is an integer number (674937915).

Almost surely, 21349875829 is an apocalyptic number.

It is an amenable number.

1349875829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349875829 is an equidigital number, since it uses as much as digits as its factorization.

1349875829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 56.

The square root of 1349875829 is about 36740.6563496081. The cubic root of 1349875829 is about 1105.1755633772.

The spelling of 1349875829 in words is "one billion, three hundred forty-nine million, eight hundred seventy-five thousand, eight hundred twenty-nine".