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12676384639 is a prime number
BaseRepresentation
bin10111100111001001…
…00100011101111111
31012201102212001122101
423303210210131333
5201430123302024
65453510525531
7626063330422
oct136344443577
935642761571
1012676384639
115415541446
1225593668a7
131270326019
148837a99b9
154e2d2ac44
hex2f392477f

12676384639 has 2 divisors, whose sum is σ = 12676384640. Its totient is φ = 12676384638.

The previous prime is 12676384621. The next prime is 12676384661. The reversal of 12676384639 is 93648367621.

It is a weak prime.

It is an emirp because it is prime and its reverse (93648367621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12676384639 - 211 = 12676382591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12676384639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12676384139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6338192319 + 6338192320.

It is an arithmetic number, because the mean of its divisors is an integer number (6338192320).

Almost surely, 212676384639 is an apocalyptic number.

12676384639 is a deficient number, since it is larger than the sum of its proper divisors (1).

12676384639 is an equidigital number, since it uses as much as digits as its factorization.

12676384639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 55.

The spelling of 12676384639 in words is "twelve billion, six hundred seventy-six million, three hundred eighty-four thousand, six hundred thirty-nine".