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2146886663 is a prime number
BaseRepresentation
bin111111111110110…
…1110010000000111
312112121202010211212
41333331232100013
513344100333123
6553011122035
7104126143535
oct17775562007
95477663755
102146886663
11a019527a9
124baba331b
13282a2614c
141651b3155
15c8729878
hex7ff6e407

2146886663 has 2 divisors, whose sum is σ = 2146886664. Its totient is φ = 2146886662.

The previous prime is 2146886657. The next prime is 2146886713. The reversal of 2146886663 is 3666886412.

It is a happy number.

It is an a-pointer prime, because the next prime (2146886713) can be obtained adding 2146886663 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2146886663 - 220 = 2145838087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2146886653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073443331 + 1073443332.

It is an arithmetic number, because the mean of its divisors is an integer number (1073443332).

Almost surely, 22146886663 is an apocalyptic number.

2146886663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146886663 is an equidigital number, since it uses as much as digits as its factorization.

2146886663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 50.

The square root of 2146886663 is about 46334.5083388181. The cubic root of 2146886663 is about 1290.0395923589.

The spelling of 2146886663 in words is "two billion, one hundred forty-six million, eight hundred eighty-six thousand, six hundred sixty-three".