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4666664987 is a prime number
BaseRepresentation
bin1000101100010011…
…11010100000011011
3110001020011010212222
410112021322200123
534024131234422
62051022454255
7223433666165
oct42611724033
913036133788
104666664987
111a85235526
12aa2a3438b
13594a8bb3a
14323ad1935
151c4a60842
hex11627a81b

4666664987 has 2 divisors, whose sum is σ = 4666664988. Its totient is φ = 4666664986.

The previous prime is 4666664953. The next prime is 4666665023. The reversal of 4666664987 is 7894666664.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4666664987 - 220 = 4665616411 is a prime.

It is not a weakly prime, because it can be changed into another prime (4666664927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2333332493 + 2333332494.

It is an arithmetic number, because the mean of its divisors is an integer number (2333332494).

Almost surely, 24666664987 is an apocalyptic number.

4666664987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4666664987 is an equidigital number, since it uses as much as digits as its factorization.

4666664987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62705664, while the sum is 62.

The square root of 4666664987 is about 68312.9928124950. The cubic root of 4666664987 is about 1671.0991111627.

The spelling of 4666664987 in words is "four billion, six hundred sixty-six million, six hundred sixty-four thousand, nine hundred eighty-seven".