80735266433 has 2 divisors, whose sum is σ = 80735266434. Its totient is φ = 80735266432.

The previous prime is 80735266357. The next prime is 80735266453. The reversal of 80735266433 is 33466253708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78844147264 + 1891119169 = 280792^2 + 43487^2 .

It is a cyclic number.

It is not a de Polignac number, because 80735266433 - 2¹⁰ = 80735265409 is a prime.

It is not a weakly prime, because it can be changed into another prime (80735266453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40367633216 + 40367633217.

It is an arithmetic number, because the mean of its divisors is an integer number (40367633217).

Almost surely, 2^80735266433 is an apocalyptic number.

It is an amenable number.

80735266433 is a deficient number, since it is larger than the sum of its proper divisors (1).

80735266433 is an equidigital number, since it uses as much as digits as its factorization.

80735266433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 80735266433 in words is "eighty billion, seven hundred thirty-five million, two hundred sixty-six thousand, four hundred thirty-three".