27829730934289 has 4 divisors (see below), whose sum is σ = 27839854520500. Its totient is φ = 27819607348080.

The previous prime is 27829730934287. The next prime is 27829730934319. The reversal of 27829730934289 is 98243903792872.

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 8852903996689 + 18976826937600 = 2975383^2 + 4356240^2 .

It is a cyclic number.

It is not a de Polignac number, because 27829730934289 - 2¹ = 27829730934287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27829730934287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5061788982 + ... + 5061794479.

It is an arithmetic number, because the mean of its divisors is an integer number (6959963630125).

Almost surely, 2^{27829730934289} is an apocalyptic number.

It is an amenable number.

27829730934289 is a deficient number, since it is larger than the sum of its proper divisors (10123586211).

27829730934289 is a wasteful number, since it uses less digits than its factorization.

27829730934289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10123586210.

The product of its (nonzero) digits is 658409472, while the sum is 73.

The spelling of 27829730934289 in words is "twenty-seven trillion, eight hundred twenty-nine billion, seven hundred thirty million, nine hundred thirty-four thousand, two hundred eighty-nine".