27130064399 has 4 divisors (see below), whose sum is σ = 27398679000. Its totient is φ = 26861449800.

The previous prime is 27130064359. The next prime is 27130064407. The reversal of 27130064399 is 99346003172.

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-27130064399 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 (27130064359) 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, 134307149 + ... + 134307350.

It is an arithmetic number, because the mean of its divisors is an integer number (6849669750).

Almost surely, 2^27130064399 is an apocalyptic number.

27130064399 is a deficient number, since it is larger than the sum of its proper divisors (268614601).

27130064399 is a wasteful number, since it uses less digits than its factorization.

27130064399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268614600.

The product of its (nonzero) digits is 244944, while the sum is 44.

The spelling of 27130064399 in words is "twenty-seven billion, one hundred thirty million, sixty-four thousand, three hundred ninety-nine".