Search a number
-
+
6876645361589 is a prime number
BaseRepresentation
bin110010000010001100000…
…0000010000011110110101
3220100101211020110002002202
41210010120000100132311
51400131332203032324
622343030503314245
71306551453065663
oct144043000203665
926311736402082
106876645361589
11221140703a793
129308a674b985
133ab60743b523
1419ab8d56dc33
15bdd25ea18ae
hex641180107b5

6876645361589 has 2 divisors, whose sum is σ = 6876645361590. Its totient is φ = 6876645361588.

The previous prime is 6876645361549. The next prime is 6876645361753. The reversal of 6876645361589 is 9851635466786.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6468797084689 + 407848276900 = 2543383^2 + 638630^2 .

It is a cyclic number.

It is not a de Polignac number, because 6876645361589 - 220 = 6876644313013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6876645361529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3438322680794 + 3438322680795.

It is an arithmetic number, because the mean of its divisors is an integer number (3438322680795).

Almost surely, 26876645361589 is an apocalyptic number.

It is an amenable number.

6876645361589 is a deficient number, since it is larger than the sum of its proper divisors (1).

6876645361589 is an equidigital number, since it uses as much as digits as its factorization.

6876645361589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1567641600, while the sum is 74.

The spelling of 6876645361589 in words is "six trillion, eight hundred seventy-six billion, six hundred forty-five million, three hundred sixty-one thousand, five hundred eighty-nine".