Search a number
-
+
6789401237 is a prime number
BaseRepresentation
bin1100101001010111…
…00000101010010101
3122112011110022121002
412110223200222111
5102401041314422
63041412233045
7330150646463
oct62453405225
918464408532
106789401237
112974492703
12139590b785
138427aa6a8
144859b9833
1529b0b9692
hex194ae0a95

6789401237 has 2 divisors, whose sum is σ = 6789401238. Its totient is φ = 6789401236.

The previous prime is 6789401209. The next prime is 6789401239. The reversal of 6789401237 is 7321049876.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4069674436 + 2719726801 = 63794^2 + 52151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6789401237 is a prime.

Together with 6789401239, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6789401191 and 6789401200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6789401239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3394700618 + 3394700619.

It is an arithmetic number, because the mean of its divisors is an integer number (3394700619).

Almost surely, 26789401237 is an apocalyptic number.

It is an amenable number.

6789401237 is a deficient number, since it is larger than the sum of its proper divisors (1).

6789401237 is an equidigital number, since it uses as much as digits as its factorization.

6789401237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 6789401237 is about 82397.8230112908. The cubic root of 6789401237 is about 1893.5516614059.

The spelling of 6789401237 in words is "six billion, seven hundred eighty-nine million, four hundred one thousand, two hundred thirty-seven".