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13807372697 is a prime number
BaseRepresentation
bin11001101101111101…
…11100100110011001
31022122021000012120222
430312332330212121
5211234141411242
610202031525425
7666105505616
oct146676744631
938567005528
1013807372697
1159459a1518
122814089875
1313c0736621
1494da9350d
1555c2835d2
hex336fbc999

13807372697 has 2 divisors, whose sum is σ = 13807372698. Its totient is φ = 13807372696.

The previous prime is 13807372679. The next prime is 13807372739. The reversal of 13807372697 is 79627370831.

Together with previous prime (13807372679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12271986841 + 1535385856 = 110779^2 + 39184^2 .

It is an emirp because it is prime and its reverse (79627370831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13807372697 - 26 = 13807372633 is a prime.

It is a super-2 number, since 2×138073726972 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13807372597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6903686348 + 6903686349.

It is an arithmetic number, because the mean of its divisors is an integer number (6903686349).

Almost surely, 213807372697 is an apocalyptic number.

It is an amenable number.

13807372697 is a deficient number, since it is larger than the sum of its proper divisors (1).

13807372697 is an equidigital number, since it uses as much as digits as its factorization.

13807372697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2667168, while the sum is 53.

The spelling of 13807372697 in words is "thirteen billion, eight hundred seven million, three hundred seventy-two thousand, six hundred ninety-seven".