27137503317 has 4 divisors (see below), whose sum is σ = 36183337760. Its totient is φ = 18091668876.

The previous prime is 27137503307. The next prime is 27137503339. The reversal of 27137503317 is 71330573172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27137503317 - 2⁴ = 27137503301 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 (27137503307) 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, 4522917217 + ... + 4522917222.

It is an arithmetic number, because the mean of its divisors is an integer number (9045834440).

Almost surely, 2^27137503317 is an apocalyptic number.

It is an amenable number.

27137503317 is a deficient number, since it is larger than the sum of its proper divisors (9045834443).

27137503317 is an equidigital number, since it uses as much as digits as its factorization.

27137503317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9045834442.

The product of its (nonzero) digits is 92610, while the sum is 39.

The spelling of 27137503317 in words is "twenty-seven billion, one hundred thirty-seven million, five hundred three thousand, three hundred seventeen".