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6468794971 is a prime number
BaseRepresentation
bin1100000011001000…
…11111101001011011
3121200211011211110221
412001210133221123
5101222002414341
62545520420511
7316205564362
oct60144375133
917624154427
106468794971
11281a514451
121306477737
137c1246542
144551a07d9
1527cd89ed1
hex18191fa5b

6468794971 has 2 divisors, whose sum is σ = 6468794972. Its totient is φ = 6468794970.

The previous prime is 6468794957. The next prime is 6468795007. The reversal of 6468794971 is 1794978646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6468794971 - 211 = 6468792923 is a prime.

It is not a weakly prime, because it can be changed into another prime (6468794951) 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, 3234397485 + 3234397486.

It is an arithmetic number, because the mean of its divisors is an integer number (3234397486).

Almost surely, 26468794971 is an apocalyptic number.

6468794971 is a deficient number, since it is larger than the sum of its proper divisors (1).

6468794971 is an equidigital number, since it uses as much as digits as its factorization.

6468794971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18289152, while the sum is 61.

The square root of 6468794971 is about 80428.8192813994. The cubic root of 6468794971 is about 1863.2642962387.

The spelling of 6468794971 in words is "six billion, four hundred sixty-eight million, seven hundred ninety-four thousand, nine hundred seventy-one".