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2179379339 is a prime number
BaseRepresentation
bin1000000111100110…
…1011000010001011
312121212212221102022
42001321223002023
513430410114324
61000131355055
7105002263424
oct20171530213
95555787368
102179379339
11a19225a55
12509a52a8b
13289691897
1416963064b
15cb4e705e
hex81e6b08b

2179379339 has 2 divisors, whose sum is σ = 2179379340. Its totient is φ = 2179379338.

The previous prime is 2179379299. The next prime is 2179379341. The reversal of 2179379339 is 9339739712.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2179379339 - 216 = 2179313803 is a prime.

Together with 2179379341, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2179372339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1089689669 + 1089689670.

It is an arithmetic number, because the mean of its divisors is an integer number (1089689670).

Almost surely, 22179379339 is an apocalyptic number.

2179379339 is a deficient number, since it is larger than the sum of its proper divisors (1).

2179379339 is an equidigital number, since it uses as much as digits as its factorization.

2179379339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1928934, while the sum is 53.

The square root of 2179379339 is about 46683.8230975142. The cubic root of 2179379339 is about 1296.5151913497.

The spelling of 2179379339 in words is "two billion, one hundred seventy-nine million, three hundred seventy-nine thousand, three hundred thirty-nine".