80194339008001 has 2 divisors, whose sum is σ = 80194339008002. Its totient is φ = 80194339008000.

The previous prime is 80194339007987. The next prime is 80194339008059. The reversal of 80194339008001 is 10080093349108.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69872897718001 + 10321441290000 = 8359001^2 + 3212700^2 .

It is a cyclic number.

It is not a de Polignac number, because 80194339008001 - 2⁴¹ = 77995315752449 is a prime.

It is a super-2 number, since 2×80194339008001² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80194339008061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40097169504000 + 40097169504001.

It is an arithmetic number, because the mean of its divisors is an integer number (40097169504001).

Almost surely, 2^{80194339008001} is an apocalyptic number.

It is an amenable number.

80194339008001 is a deficient number, since it is larger than the sum of its proper divisors (1).

80194339008001 is an equidigital number, since it uses as much as digits as its factorization.

80194339008001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 80194339008001 in words is "eighty trillion, one hundred ninety-four billion, three hundred thirty-nine million, eight thousand, one".