27073506309 has 8 divisors (see below), whose sum is σ = 36532924512. Its totient is φ = 17831546160.

The previous prime is 27073506293. The next prime is 27073506311. The reversal of 27073506309 is 90360537072.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27073506309 - 2⁴ = 27073506293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27073501309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54364222 + ... + 54364719.

It is an arithmetic number, because the mean of its divisors is an integer number (4566615564).

Almost surely, 2^27073506309 is an apocalyptic number.

It is an amenable number.

27073506309 is a deficient number, since it is larger than the sum of its proper divisors (9459418203).

27073506309 is a wasteful number, since it uses less digits than its factorization.

27073506309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108729027.

The product of its (nonzero) digits is 238140, while the sum is 42.

The spelling of 27073506309 in words is "twenty-seven billion, seventy-three million, five hundred six thousand, three hundred nine".