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10406666447 is a prime number
BaseRepresentation
bin10011011000100100…
…10010000011001111
3222212020222102121122
421230102102003033
5132303101311242
64440350551155
7515613130262
oct115422220317
928766872548
1010406666447
114460323591
1220252084bb
13c9b0241c8
1470a180cd9
1540d93bad2
hex26c4920cf

10406666447 has 2 divisors, whose sum is σ = 10406666448. Its totient is φ = 10406666446.

The previous prime is 10406666423. The next prime is 10406666449. The reversal of 10406666447 is 74466660401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10406666447 - 26 = 10406666383 is a prime.

Together with 10406666449, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10406666398 and 10406666407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10406666449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5203333223 + 5203333224.

It is an arithmetic number, because the mean of its divisors is an integer number (5203333224).

Almost surely, 210406666447 is an apocalyptic number.

10406666447 is a deficient number, since it is larger than the sum of its proper divisors (1).

10406666447 is an equidigital number, since it uses as much as digits as its factorization.

10406666447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 10406666447 in words is "ten billion, four hundred six million, six hundred sixty-six thousand, four hundred forty-seven".