27139216301 has 4 divisors (see below), whose sum is σ = 27140095104. Its totient is φ = 27138337500.

The previous prime is 27139216297. The next prime is 27139216319. The reversal of 27139216301 is 10361293172.

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 a cyclic number.

It is not a de Polignac number, because 27139216301 - 2² = 27139216297 is a prime.

It is a super-2 number, since 2×27139216301² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27139216331) 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, 391325 + ... + 455426.

It is an arithmetic number, because the mean of its divisors is an integer number (6785023776).

Almost surely, 2^27139216301 is an apocalyptic number.

It is an amenable number.

27139216301 is a deficient number, since it is larger than the sum of its proper divisors (878803).

27139216301 is an equidigital number, since it uses as much as digits as its factorization.

27139216301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878802.

The product of its (nonzero) digits is 13608, while the sum is 35.

The spelling of 27139216301 in words is "twenty-seven billion, one hundred thirty-nine million, two hundred sixteen thousand, three hundred one".