80335453309 has 2 divisors, whose sum is σ = 80335453310. Its totient is φ = 80335453308.

The previous prime is 80335453301. The next prime is 80335453313. The reversal of 80335453309 is 90335453308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66270204900 + 14065248409 = 257430^2 + 118597^2 .

It is a cyclic number.

It is not a de Polignac number, because 80335453309 - 2³ = 80335453301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80335453301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40167726654 + 40167726655.

It is an arithmetic number, because the mean of its divisors is an integer number (40167726655).

Almost surely, 2^80335453309 is an apocalyptic number.

It is an amenable number.

80335453309 is a deficient number, since it is larger than the sum of its proper divisors (1).

80335453309 is an equidigital number, since it uses as much as digits as its factorization.

80335453309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 43.

Subtracting 80335453309 from its reverse (90335453308), we obtain a palindrome (9999999999).

The spelling of 80335453309 in words is "eighty billion, three hundred thirty-five million, four hundred fifty-three thousand, three hundred nine".