80482403909 has 2 divisors, whose sum is σ = 80482403910. Its totient is φ = 80482403908.

The previous prime is 80482403899. The next prime is 80482403923. The reversal of 80482403909 is 90930428408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62627565025 + 17854838884 = 250255^2 + 133622^2 .

It is a cyclic number.

It is not a de Polignac number, because 80482403909 - 2⁸ = 80482403653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80482403929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40241201954 + 40241201955.

It is an arithmetic number, because the mean of its divisors is an integer number (40241201955).

Almost surely, 2^80482403909 is an apocalyptic number.

It is an amenable number.

80482403909 is a deficient number, since it is larger than the sum of its proper divisors (1).

80482403909 is an equidigital number, since it uses as much as digits as its factorization.

80482403909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 80482403909 in words is "eighty billion, four hundred eighty-two million, four hundred three thousand, nine hundred nine".