80726696623033 has 2 divisors, whose sum is σ = 80726696623034. Its totient is φ = 80726696623032.

The previous prime is 80726696623031. The next prime is 80726696623043. The reversal of 80726696623033 is 33032669662708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80527435269264 + 199261353769 = 8973708^2 + 446387^2 .

It is a cyclic number.

It is not a de Polignac number, because 80726696623033 - 2¹ = 80726696623031 is a prime.

It is a super-2 number, since 2×80726696623033² (a number of 29 digits) contains 22 as substring.

Together with 80726696623031, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (80726696623031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40363348311516 + 40363348311517.

It is an arithmetic number, because the mean of its divisors is an integer number (40363348311517).

Almost surely, 2^{80726696623033} is an apocalyptic number.

It is an amenable number.

80726696623033 is a deficient number, since it is larger than the sum of its proper divisors (1).

80726696623033 is an equidigital number, since it uses as much as digits as its factorization.

80726696623033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70543872, while the sum is 61.

The spelling of 80726696623033 in words is "eighty trillion, seven hundred twenty-six billion, six hundred ninety-six million, six hundred twenty-three thousand, thirty-three".