80726713400219 has 2 divisors, whose sum is σ = 80726713400220. Its totient is φ = 80726713400218.

The previous prime is 80726713400213. The next prime is 80726713400231. The reversal of 80726713400219 is 91200431762708.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80726713400219 is a prime.

It is a super-2 number, since 2×80726713400219² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80726713400213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40363356700109 + 40363356700110.

It is an arithmetic number, because the mean of its divisors is an integer number (40363356700110).

Almost surely, 2^{80726713400219} is an apocalyptic number.

80726713400219 is a deficient number, since it is larger than the sum of its proper divisors (1).

80726713400219 is an equidigital number, since it uses as much as digits as its factorization.

80726713400219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 80726713400219 in words is "eighty trillion, seven hundred twenty-six billion, seven hundred thirteen million, four hundred thousand, two hundred nineteen".