80338201549 has 2 divisors, whose sum is σ = 80338201550. Its totient is φ = 80338201548.

The previous prime is 80338201501. The next prime is 80338201553. The reversal of 80338201549 is 94510283308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50246360649 + 30091840900 = 224157^2 + 173470^2 .

It is a cyclic number.

It is not a de Polignac number, because 80338201549 - 2⁷ = 80338201421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80338208549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40169100774 + 40169100775.

It is an arithmetic number, because the mean of its divisors is an integer number (40169100775).

Almost surely, 2^80338201549 is an apocalyptic number.

It is an amenable number.

80338201549 is a deficient number, since it is larger than the sum of its proper divisors (1).

80338201549 is an equidigital number, since it uses as much as digits as its factorization.

80338201549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 80338201549 in words is "eighty billion, three hundred thirty-eight million, two hundred one thousand, five hundred forty-nine".