80344613 has 2 divisors, whose sum is σ = 80344614. Its totient is φ = 80344612.

The previous prime is 80344577. The next prime is 80344637. The reversal of 80344613 is 31644308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70845889 + 9498724 = 8417^2 + 3082^2 .

It is a cyclic number.

It is not a de Polignac number, because 80344613 - 2¹⁰ = 80343589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80344013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40172306 + 40172307.

It is an arithmetic number, because the mean of its divisors is an integer number (40172307).

Almost surely, 2^80344613 is an apocalyptic number.

It is an amenable number.

80344613 is a deficient number, since it is larger than the sum of its proper divisors (1).

80344613 is an equidigital number, since it uses as much as digits as its factorization.

80344613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 80344613 is about 8963.5156607215. The cubic root of 80344613 is about 431.5047569035.

The spelling of 80344613 in words is "eighty million, three hundred forty-four thousand, six hundred thirteen".