80930305493 has 2 divisors, whose sum is σ = 80930305494. Its totient is φ = 80930305492.

The previous prime is 80930305483. The next prime is 80930305529. The reversal of 80930305493 is 39450303908.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77472042244 + 3458263249 = 278338^2 + 58807^2 .

It is a cyclic number.

It is not a de Polignac number, because 80930305493 - 2²⁴ = 80913528277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80930305483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40465152746 + 40465152747.

It is an arithmetic number, because the mean of its divisors is an integer number (40465152747).

Almost surely, 2^80930305493 is an apocalyptic number.

It is an amenable number.

80930305493 is a deficient number, since it is larger than the sum of its proper divisors (1).

80930305493 is an equidigital number, since it uses as much as digits as its factorization.

80930305493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 80930305493 in words is "eighty billion, nine hundred thirty million, three hundred five thousand, four hundred ninety-three".