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1338674933 is a prime number
BaseRepresentation
bin100111111001010…
…1000111011110101
310110021221201210002
41033302220323311
510220200044213
6340500241045
745113356241
oct11762507365
93407851702
101338674933
11627713322
123143a0185
1318445965b
14c9b0b421
157c7ce658
hex4fca8ef5

1338674933 has 2 divisors, whose sum is σ = 1338674934. Its totient is φ = 1338674932.

The previous prime is 1338674929. The next prime is 1338674977. The reversal of 1338674933 is 3394768331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 885538564 + 453136369 = 29758^2 + 21287^2 .

It is an emirp because it is prime and its reverse (3394768331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1338674933 - 22 = 1338674929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338674903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669337466 + 669337467.

It is an arithmetic number, because the mean of its divisors is an integer number (669337467).

Almost surely, 21338674933 is an apocalyptic number.

It is an amenable number.

1338674933 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338674933 is an equidigital number, since it uses as much as digits as its factorization.

1338674933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 47.

The square root of 1338674933 is about 36587.9069229165. The cubic root of 1338674933 is about 1102.1102556782.

The spelling of 1338674933 in words is "one billion, three hundred thirty-eight million, six hundred seventy-four thousand, nine hundred thirty-three".