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10664640619 is a prime number
BaseRepresentation
bin10011110111010100…
…11000000001101011
31000112020101212122121
421323222120001223
5133320121444434
64522124132111
7525164643463
oct117352300153
930466355577
1010664640619
114582a03386
122097697037
13100c5c9349
14732534ba3
154263e87b4
hex27ba9806b

10664640619 has 2 divisors, whose sum is σ = 10664640620. Its totient is φ = 10664640618.

The previous prime is 10664640599. The next prime is 10664640689. The reversal of 10664640619 is 91604646601.

10664640619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10664640619 - 221 = 10662543467 is a prime.

It is a super-2 number, since 2×106646406192 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10664640689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5332320309 + 5332320310.

It is an arithmetic number, because the mean of its divisors is an integer number (5332320310).

Almost surely, 210664640619 is an apocalyptic number.

10664640619 is a deficient number, since it is larger than the sum of its proper divisors (1).

10664640619 is an equidigital number, since it uses as much as digits as its factorization.

10664640619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 10664640619 in words is "ten billion, six hundred sixty-four million, six hundred forty thousand, six hundred nineteen".