80843502001 has 2 divisors, whose sum is σ = 80843502002. Its totient is φ = 80843502000.

The previous prime is 80843501953. The next prime is 80843502031. The reversal of 80843502001 is 10020534808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78539502001 + 2304000000 = 280249^2 + 48000^2 .

It is a cyclic number.

It is not a de Polignac number, because 80843502001 - 2¹⁵ = 80843469233 is a prime.

It is not a weakly prime, because it can be changed into another prime (80843502031) 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, 40421751000 + 40421751001.

It is an arithmetic number, because the mean of its divisors is an integer number (40421751001).

Almost surely, 2^80843502001 is an apocalyptic number.

It is an amenable number.

80843502001 is a deficient number, since it is larger than the sum of its proper divisors (1).

80843502001 is an equidigital number, since it uses as much as digits as its factorization.

80843502001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 80843502001 in words is "eighty billion, eight hundred forty-three million, five hundred two thousand, one".