445680086365139 has 4 divisors (see below), whose sum is σ = 445680260555856. Its totient is φ = 445679912174424.

The previous prime is 445680086365091. The next prime is 445680086365229. The reversal of 445680086365139 is 931563680086544.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445680086365139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445680086365039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83199404 + ... + 88394009.

It is an arithmetic number, because the mean of its divisors is an integer number (111420065138964).

Almost surely, 2^{445680086365139} is an apocalyptic number.

445680086365139 is a deficient number, since it is larger than the sum of its proper divisors (174190717).

445680086365139 is a wasteful number, since it uses less digits than its factorization.

445680086365139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174190716.

The product of its (nonzero) digits is 447897600, while the sum is 68.

The spelling of 445680086365139 in words is "four hundred forty-five trillion, six hundred eighty billion, eighty-six million, three hundred sixty-five thousand, one hundred thirty-nine".