27306639359 has 4 divisors (see below), whose sum is σ = 27561841704. Its totient is φ = 27051437016.

The previous prime is 27306639329. The next prime is 27306639361. The reversal of 27306639359 is 95393660372.

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-27306639359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27306639359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27306639329) 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, 127601012 + ... + 127601225.

It is an arithmetic number, because the mean of its divisors is an integer number (6890460426).

Almost surely, 2^27306639359 is an apocalyptic number.

27306639359 is a deficient number, since it is larger than the sum of its proper divisors (255202345).

27306639359 is a wasteful number, since it uses less digits than its factorization.

27306639359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255202344.

The product of its (nonzero) digits is 5511240, while the sum is 53.

The spelling of 27306639359 in words is "twenty-seven billion, three hundred six million, six hundred thirty-nine thousand, three hundred fifty-nine".