80313187289 has 2 divisors, whose sum is σ = 80313187290. Its totient is φ = 80313187288.

The previous prime is 80313187259. The next prime is 80313187313. The reversal of 80313187289 is 98278131308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61819363225 + 18493824064 = 248635^2 + 135992^2 .

It is a cyclic number.

It is not a de Polignac number, because 80313187289 - 2¹² = 80313183193 is a prime.

It is not a weakly prime, because it can be changed into another prime (80313187259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40156593644 + 40156593645.

It is an arithmetic number, because the mean of its divisors is an integer number (40156593645).

Almost surely, 2^80313187289 is an apocalyptic number.

It is an amenable number.

80313187289 is a deficient number, since it is larger than the sum of its proper divisors (1).

80313187289 is an equidigital number, since it uses as much as digits as its factorization.

80313187289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 80313187289 in words is "eighty billion, three hundred thirteen million, one hundred eighty-seven thousand, two hundred eighty-nine".