27135051743 has 4 divisors (see below), whose sum is σ = 27138683520. Its totient is φ = 27131419968.

The previous prime is 27135051707. The next prime is 27135051773. The reversal of 27135051743 is 34715053172.

It is a happy number.

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-27135051743 is a prime.

It is a super-2 number, since 2×27135051743² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27135051697 and 27135051706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27135051703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1804658 + ... + 1819631.

It is an arithmetic number, because the mean of its divisors is an integer number (6784670880).

Almost surely, 2^27135051743 is an apocalyptic number.

27135051743 is a deficient number, since it is larger than the sum of its proper divisors (3631777).

27135051743 is an equidigital number, since it uses as much as digits as its factorization.

27135051743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631776.

The product of its (nonzero) digits is 88200, while the sum is 38.

The spelling of 27135051743 in words is "twenty-seven billion, one hundred thirty-five million, fifty-one thousand, seven hundred forty-three".