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14645736991 is a prime number
BaseRepresentation
bin11011010001111010…
…00011011000011111
31101210200112112012101
431220331003120133
5214443302040431
610421140545531
71025635465444
oct155075033037
941720475171
1014645736991
116236155a76
122a089b22a7
1314c532c682
149cd1679cb
155aab87961
hex368f4361f

14645736991 has 2 divisors, whose sum is σ = 14645736992. Its totient is φ = 14645736990.

The previous prime is 14645736983. The next prime is 14645737003. The reversal of 14645736991 is 19963754641.

It is a weak prime.

It is an emirp because it is prime and its reverse (19963754641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14645736991 - 23 = 14645736983 is a prime.

It is a super-2 number, since 2×146457369912 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14645766991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7322868495 + 7322868496.

It is an arithmetic number, because the mean of its divisors is an integer number (7322868496).

Almost surely, 214645736991 is an apocalyptic number.

14645736991 is a deficient number, since it is larger than the sum of its proper divisors (1).

14645736991 is an equidigital number, since it uses as much as digits as its factorization.

14645736991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 55.

The spelling of 14645736991 in words is "fourteen billion, six hundred forty-five million, seven hundred thirty-six thousand, nine hundred ninety-one".