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11907454697 is a prime number
BaseRepresentation
bin10110001011011110…
…10101011011101001
31010201211222101001122
423011233111123221
5143341302022242
65245322025025
7601035460235
oct130557253351
933654871048
1011907454697
1150604a1a56
122383948175
131179c311a8
1480d60b5c5
1549a58ead2
hex2c5bd56e9

11907454697 has 2 divisors, whose sum is σ = 11907454698. Its totient is φ = 11907454696.

The previous prime is 11907454673. The next prime is 11907454703. The reversal of 11907454697 is 79645470911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6345874921 + 5561579776 = 79661^2 + 74576^2 .

It is an emirp because it is prime and its reverse (79645470911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11907454697 - 26 = 11907454633 is a prime.

It is a super-2 number, since 2×119074546972 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11907454667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5953727348 + 5953727349.

It is an arithmetic number, because the mean of its divisors is an integer number (5953727349).

Almost surely, 211907454697 is an apocalyptic number.

It is an amenable number.

11907454697 is a deficient number, since it is larger than the sum of its proper divisors (1).

11907454697 is an equidigital number, since it uses as much as digits as its factorization.

11907454697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 11907454697 in words is "eleven billion, nine hundred seven million, four hundred fifty-four thousand, six hundred ninety-seven".