Search a number
-
+
468579365809 is a prime number
BaseRepresentation
bin1101101000110011000…
…00011011001110110001
31122210111002202010010021
412310121200123032301
530134122304201214
6555132402003441
745565555615012
oct6643140331661
91583432663107
10468579365809
111707a5921a25
1276992346581
1335257661239
1418972255009
15c2c743a924
hex6d1981b3b1

468579365809 has 2 divisors, whose sum is σ = 468579365810. Its totient is φ = 468579365808.

The previous prime is 468579365797. The next prime is 468579365833. The reversal of 468579365809 is 908563975864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 464360473600 + 4218892209 = 681440^2 + 64953^2 .

It is a cyclic number.

It is not a de Polignac number, because 468579365809 - 211 = 468579363761 is a prime.

It is not a weakly prime, because it can be changed into another prime (468579365869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234289682904 + 234289682905.

It is an arithmetic number, because the mean of its divisors is an integer number (234289682905).

Almost surely, 2468579365809 is an apocalyptic number.

It is an amenable number.

468579365809 is a deficient number, since it is larger than the sum of its proper divisors (1).

468579365809 is an equidigital number, since it uses as much as digits as its factorization.

468579365809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 391910400, while the sum is 70.

The spelling of 468579365809 in words is "four hundred sixty-eight billion, five hundred seventy-nine million, three hundred sixty-five thousand, eight hundred nine".