27394377449 has 8 divisors (see below), whose sum is σ = 27456331392. Its totient is φ = 27332454240.

The previous prime is 27394377443. The next prime is 27394377487. The reversal of 27394377449 is 94477349372.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27394377449 - 2¹⁶ = 27394311913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27394377443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3292004 + ... + 3300314.

It is an arithmetic number, because the mean of its divisors is an integer number (3432041424).

Almost surely, 2^27394377449 is an apocalyptic number.

It is an amenable number.

27394377449 is a deficient number, since it is larger than the sum of its proper divisors (61953943).

27394377449 is an equidigital number, since it uses as much as digits as its factorization.

27394377449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15367.

The product of its digits is 32006016, while the sum is 59.

The spelling of 27394377449 in words is "twenty-seven billion, three hundred ninety-four million, three hundred seventy-seven thousand, four hundred forty-nine".