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406406586863 is a prime number
BaseRepresentation
bin1011110100111111011…
…10000110000111101111
31102212000011200200222202
411322133232012013233
523124310041234423
6510411155332115
741235063663554
oct5723756060757
91385004620882
10406406586863
111473a0a17992
12669208b103b
132c429a13844
1415954daca2b
15a889096728
hex5e9fb861ef

406406586863 has 2 divisors, whose sum is σ = 406406586864. Its totient is φ = 406406586862.

The previous prime is 406406586853. The next prime is 406406586899. The reversal of 406406586863 is 368685604604.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406406586863 - 24 = 406406586847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 406406586799 and 406406586808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406406586853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203203293431 + 203203293432.

It is an arithmetic number, because the mean of its divisors is an integer number (203203293432).

Almost surely, 2406406586863 is an apocalyptic number.

406406586863 is a deficient number, since it is larger than the sum of its proper divisors (1).

406406586863 is an equidigital number, since it uses as much as digits as its factorization.

406406586863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19906560, while the sum is 56.

The spelling of 406406586863 in words is "four hundred six billion, four hundred six million, five hundred eighty-six thousand, eight hundred sixty-three".