27134321501 has 4 divisors (see below), whose sum is σ = 31010653152. Its totient is φ = 23257989852.

The previous prime is 27134321471. The next prime is 27134321521. The reversal of 27134321501 is 10512343172.

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 27134321501 - 2¹⁸ = 27134059357 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 (27134321521) 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, 1938165815 + ... + 1938165828.

It is an arithmetic number, because the mean of its divisors is an integer number (7752663288).

Almost surely, 2^27134321501 is an apocalyptic number.

It is an amenable number.

27134321501 is a deficient number, since it is larger than the sum of its proper divisors (3876331651).

27134321501 is an equidigital number, since it uses as much as digits as its factorization.

27134321501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876331650.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 27134321501 its reverse (10512343172), we get a palindrome (37646664673).

The spelling of 27134321501 in words is "twenty-seven billion, one hundred thirty-four million, three hundred twenty-one thousand, five hundred one".