80402410549 has 2 divisors, whose sum is σ = 80402410550. Its totient is φ = 80402410548.

The previous prime is 80402410493. The next prime is 80402410559. The reversal of 80402410549 is 94501420408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59118518449 + 21283892100 = 243143^2 + 145890^2 .

It is a cyclic number.

It is not a de Polignac number, because 80402410549 - 2⁹ = 80402410037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80402410559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40201205274 + 40201205275.

It is an arithmetic number, because the mean of its divisors is an integer number (40201205275).

Almost surely, 2^80402410549 is an apocalyptic number.

It is an amenable number.

80402410549 is a deficient number, since it is larger than the sum of its proper divisors (1).

80402410549 is an equidigital number, since it uses as much as digits as its factorization.

80402410549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 80402410549 in words is "eighty billion, four hundred two million, four hundred ten thousand, five hundred forty-nine".