80534602349 has 2 divisors, whose sum is σ = 80534602350. Its totient is φ = 80534602348.

The previous prime is 80534602331. The next prime is 80534602387. The reversal of 80534602349 is 94320643508.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68391664324 + 12142938025 = 261518^2 + 110195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80534602349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80539602349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40267301174 + 40267301175.

It is an arithmetic number, because the mean of its divisors is an integer number (40267301175).

Almost surely, 2^80534602349 is an apocalyptic number.

It is an amenable number.

80534602349 is a deficient number, since it is larger than the sum of its proper divisors (1).

80534602349 is an equidigital number, since it uses as much as digits as its factorization.

80534602349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 80534602349 in words is "eighty billion, five hundred thirty-four million, six hundred two thousand, three hundred forty-nine".