80536750013 has 4 divisors (see below), whose sum is σ = 82056311388. Its totient is φ = 79017188640.

The previous prime is 80536749989. The next prime is 80536750039. The reversal of 80536750013 is 31005763508.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49300429369 + 31236320644 = 222037^2 + 176738^2 .

It is a cyclic number.

It is not a de Polignac number, because 80536750013 - 2¹² = 80536745917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80536750043) 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 in 3 ways as a sum of consecutive naturals, for example, 759780608 + ... + 759780713.

It is an arithmetic number, because the mean of its divisors is an integer number (20514077847).

Almost surely, 2^80536750013 is an apocalyptic number.

It is an amenable number.

80536750013 is a deficient number, since it is larger than the sum of its proper divisors (1519561375).

80536750013 is a wasteful number, since it uses less digits than its factorization.

80536750013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519561374.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 80536750013 in words is "eighty billion, five hundred thirty-six million, seven hundred fifty thousand, thirteen".