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13346474789 is a prime number
BaseRepresentation
bin11000110111000001…
…10000101100100101
31021110010202011112002
430123200300230211
5204313144143124
610044205135045
7651511110134
oct143340605445
937403664462
1013346474789
11572981205a
12270585a485
1313490c247b
1490879991b
15531a910ae
hex31b830b25

13346474789 has 2 divisors, whose sum is σ = 13346474790. Its totient is φ = 13346474788.

The previous prime is 13346474777. The next prime is 13346474851. The reversal of 13346474789 is 98747464331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10564756225 + 2781718564 = 102785^2 + 52742^2 .

It is an emirp because it is prime and its reverse (98747464331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13346474789 - 216 = 13346409253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13346474389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6673237394 + 6673237395.

It is an arithmetic number, because the mean of its divisors is an integer number (6673237395).

Almost surely, 213346474789 is an apocalyptic number.

It is an amenable number.

13346474789 is a deficient number, since it is larger than the sum of its proper divisors (1).

13346474789 is an equidigital number, since it uses as much as digits as its factorization.

13346474789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 56.

The spelling of 13346474789 in words is "thirteen billion, three hundred forty-six million, four hundred seventy-four thousand, seven hundred eighty-nine".