80809230406249 has 2 divisors, whose sum is σ = 80809230406250. Its totient is φ = 80809230406248.

The previous prime is 80809230406217. The next prime is 80809230406277. The reversal of 80809230406249 is 94260403290808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77407566596649 + 3401663809600 = 8798157^2 + 1844360^2 .

It is a cyclic number.

It is not a de Polignac number, because 80809230406249 - 2⁵ = 80809230406217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80809230406249.

It is not a weakly prime, because it can be changed into another prime (80809230406349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40404615203124 + 40404615203125.

It is an arithmetic number, because the mean of its divisors is an integer number (40404615203125).

Almost surely, 2^{80809230406249} is an apocalyptic number.

It is an amenable number.

80809230406249 is a deficient number, since it is larger than the sum of its proper divisors (1).

80809230406249 is an equidigital number, since it uses as much as digits as its factorization.

80809230406249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 80809230406249 in words is "eighty trillion, eight hundred nine billion, two hundred thirty million, four hundred six thousand, two hundred forty-nine".