Search a number
-
+
317654461609 is a prime number
BaseRepresentation
bin1001001111101011010…
…11100110110010101001
31010100220212220121012121
410213311223212302221
520201024020232414
6401532313311241
731643526242032
oct4476553466251
91110825817177
10317654461609
11112797731641
1251691a05521
1323c545a89b4
1411535b03a89
1583e2560724
hex49f5ae6ca9

317654461609 has 2 divisors, whose sum is σ = 317654461610. Its totient is φ = 317654461608.

The previous prime is 317654461577. The next prime is 317654461633. The reversal of 317654461609 is 906164456713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243423824400 + 74230637209 = 493380^2 + 272453^2 .

It is a cyclic number.

It is not a de Polignac number, because 317654461609 - 25 = 317654461577 is a prime.

It is not a weakly prime, because it can be changed into another prime (317654461309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158827230804 + 158827230805.

It is an arithmetic number, because the mean of its divisors is an integer number (158827230805).

Almost surely, 2317654461609 is an apocalyptic number.

It is an amenable number.

317654461609 is a deficient number, since it is larger than the sum of its proper divisors (1).

317654461609 is an equidigital number, since it uses as much as digits as its factorization.

317654461609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 317654461609 in words is "three hundred seventeen billion, six hundred fifty-four million, four hundred sixty-one thousand, six hundred nine".