27135361373 has 4 divisors (see below), whose sum is σ = 27478847040. Its totient is φ = 26791875708.

The previous prime is 27135361369. The next prime is 27135361387. The reversal of 27135361373 is 37316353172.

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 27135361373 - 2² = 27135361369 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 27135361373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27135361303) 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, 171742715 + ... + 171742872.

It is an arithmetic number, because the mean of its divisors is an integer number (6869711760).

Almost surely, 2^27135361373 is an apocalyptic number.

It is an amenable number.

27135361373 is a deficient number, since it is larger than the sum of its proper divisors (343485667).

27135361373 is an equidigital number, since it uses as much as digits as its factorization.

27135361373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343485666.

The product of its digits is 238140, while the sum is 41.

The spelling of 27135361373 in words is "twenty-seven billion, one hundred thirty-five million, three hundred sixty-one thousand, three hundred seventy-three".