80395354790209 has 2 divisors, whose sum is σ = 80395354790210. Its totient is φ = 80395354790208.

The previous prime is 80395354790143. The next prime is 80395354790243. The reversal of 80395354790209 is 90209745359308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46372014090000 + 34023340700209 = 6809700^2 + 5832953^2 .

It is a cyclic number.

It is not a de Polignac number, because 80395354790209 - 2¹⁵ = 80395354757441 is a prime.

It is not a weakly prime, because it can be changed into another prime (80395354793209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40197677395104 + 40197677395105.

It is an arithmetic number, because the mean of its divisors is an integer number (40197677395105).

Almost surely, 2^{80395354790209} is an apocalyptic number.

It is an amenable number.

80395354790209 is a deficient number, since it is larger than the sum of its proper divisors (1).

80395354790209 is an equidigital number, since it uses as much as digits as its factorization.

80395354790209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73483200, while the sum is 64.

The spelling of 80395354790209 in words is "eighty trillion, three hundred ninety-five billion, three hundred fifty-four million, seven hundred ninety thousand, two hundred nine".