27144325379 has 4 divisors (see below), whose sum is σ = 27231606480. Its totient is φ = 27057044280.

The previous prime is 27144325361. The next prime is 27144325387. The reversal of 27144325379 is 97352344172.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27144325379 - 2¹² = 27144321283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27144325979) 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, 43640084 + ... + 43640705.

It is an arithmetic number, because the mean of its divisors is an integer number (6807901620).

Almost surely, 2^27144325379 is an apocalyptic number.

27144325379 is a deficient number, since it is larger than the sum of its proper divisors (87281101).

27144325379 is an equidigital number, since it uses as much as digits as its factorization.

27144325379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87281100.

The product of its digits is 1270080, while the sum is 47.

The spelling of 27144325379 in words is "twenty-seven billion, one hundred forty-four million, three hundred twenty-five thousand, three hundred seventy-nine".