27130710673 has 4 divisors (see below), whose sum is σ = 29597138928. Its totient is φ = 24664282420.

The previous prime is 27130710671. The next prime is 27130710697. The reversal of 27130710673 is 37601703172.

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 27130710673 - 2¹ = 27130710671 is a prime.

It is a super-2 number, since 2×27130710673² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27130710671) 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, 1233214111 + ... + 1233214132.

It is an arithmetic number, because the mean of its divisors is an integer number (7399284732).

Almost surely, 2^27130710673 is an apocalyptic number.

It is an amenable number.

27130710673 is a deficient number, since it is larger than the sum of its proper divisors (2466428255).

27130710673 is a wasteful number, since it uses less digits than its factorization.

27130710673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466428254.

The product of its (nonzero) digits is 37044, while the sum is 37.

The spelling of 27130710673 in words is "twenty-seven billion, one hundred thirty million, seven hundred ten thousand, six hundred seventy-three".