27150349281 has 16 divisors (see below), whose sum is σ = 40454624448. Its totient is φ = 16053420800.

The previous prime is 27150349243. The next prime is 27150349309. The reversal of 27150349281 is 18294305172.

It is a cyclic number.

It is not a de Polignac number, because 27150349281 - 2⁶ = 27150349217 is a prime.

It is a super-2 number, since 2×27150349281² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27150344281) 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 15 ways as a sum of consecutive naturals, for example, 10032036 + ... + 10034741.

It is an arithmetic number, because the mean of its divisors is an integer number (2528414028).

Almost surely, 2^27150349281 is an apocalyptic number.

It is an amenable number.

27150349281 is a deficient number, since it is larger than the sum of its proper divisors (13304275167).

27150349281 is a wasteful number, since it uses less digits than its factorization.

27150349281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20066832.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 27150349281 in words is "twenty-seven billion, one hundred fifty million, three hundred forty-nine thousand, two hundred eighty-one".