80497387294669 has 2 divisors, whose sum is σ = 80497387294670. Its totient is φ = 80497387294668.

The previous prime is 80497387294631. The next prime is 80497387294699. The reversal of 80497387294669 is 96649278379408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75377349732169 + 5120037562500 = 8682013^2 + 2262750^2 .

It is a cyclic number.

It is not a de Polignac number, because 80497387294669 - 2²⁹ = 80496850423757 is a prime.

It is a super-2 number, since 2×80497387294669² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80497387294592 and 80497387294601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80497387294619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40248693647334 + 40248693647335.

It is an arithmetic number, because the mean of its divisors is an integer number (40248693647335).

Almost surely, 2^{80497387294669} is an apocalyptic number.

It is an amenable number.

80497387294669 is a deficient number, since it is larger than the sum of its proper divisors (1).

80497387294669 is an equidigital number, since it uses as much as digits as its factorization.

80497387294669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7900913664, while the sum is 82.

The spelling of 80497387294669 in words is "eighty trillion, four hundred ninety-seven billion, three hundred eighty-seven million, two hundred ninety-four thousand, six hundred sixty-nine".