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317474680409 is a prime number
BaseRepresentation
bin1001001111010101111…
…01110010111001011001
31010100110100121202202122
410213222331302321121
520200142004233114
6401502412111025
731636214154425
oct4475275627131
91110410552678
10317474680409
111127051a9337
1251641765475
1323c262805a3
1411519ca5b85
1583d189be8e
hex49eaf72e59

317474680409 has 2 divisors, whose sum is σ = 317474680410. Its totient is φ = 317474680408.

The previous prime is 317474680381. The next prime is 317474680459. The reversal of 317474680409 is 904086474713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181840839184 + 135633841225 = 426428^2 + 368285^2 .

It is an emirp because it is prime and its reverse (904086474713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317474680409 - 212 = 317474676313 is a prime.

It is not a weakly prime, because it can be changed into another prime (317474680459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158737340204 + 158737340205.

It is an arithmetic number, because the mean of its divisors is an integer number (158737340205).

Almost surely, 2317474680409 is an apocalyptic number.

It is an amenable number.

317474680409 is a deficient number, since it is larger than the sum of its proper divisors (1).

317474680409 is an equidigital number, since it uses as much as digits as its factorization.

317474680409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 317474680409 in words is "three hundred seventeen billion, four hundred seventy-four million, six hundred eighty thousand, four hundred nine".