80415396544853 has 2 divisors, whose sum is σ = 80415396544854. Its totient is φ = 80415396544852.

The previous prime is 80415396544843. The next prime is 80415396544927. The reversal of 80415396544853 is 35844569351408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75068933478289 + 5346463066564 = 8664233^2 + 2312242^2 .

It is a cyclic number.

It is not a de Polignac number, because 80415396544853 - 2⁴ = 80415396544837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80415396544853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80415396544843) 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, 40207698272426 + 40207698272427.

It is an arithmetic number, because the mean of its divisors is an integer number (40207698272427).

Almost surely, 2^{80415396544853} is an apocalyptic number.

It is an amenable number.

80415396544853 is a deficient number, since it is larger than the sum of its proper divisors (1).

80415396544853 is an equidigital number, since it uses as much as digits as its factorization.

80415396544853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832000, while the sum is 65.

The spelling of 80415396544853 in words is "eighty trillion, four hundred fifteen billion, three hundred ninety-six million, five hundred forty-four thousand, eight hundred fifty-three".