27149034915 has 24 divisors (see below), whose sum is σ = 48152710320. Its totient is φ = 14142752064.

The previous prime is 27149034881. The next prime is 27149034917. The reversal of 27149034915 is 51943094172.

27149034915 is a `hidden beast` number, since 2 + 71 + 4 + 90 + 3 + 491 + 5 = 666.

It is not a de Polignac number, because 27149034915 - 2¹⁴ = 27149018531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (27149034917) 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 23 ways as a sum of consecutive naturals, for example, 7013320 + ... + 7017189.

It is an arithmetic number, because the mean of its divisors is an integer number (2006362930).

Almost surely, 2^27149034915 is an apocalyptic number.

27149034915 is a deficient number, since it is larger than the sum of its proper divisors (21003675405).

27149034915 is a wasteful number, since it uses less digits than its factorization.

27149034915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14030563 (or 14030560 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 27149034915 in words is "twenty-seven billion, one hundred forty-nine million, thirty-four thousand, nine hundred fifteen".