27379173049 has 4 divisors (see below), whose sum is σ = 27379717200. Its totient is φ = 27378628900.

The previous prime is 27379173043. The next prime is 27379173097. The reversal of 27379173049 is 94037197372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27379173049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27379172987 and 27379173005.

It is not an unprimeable number, because it can be changed into a prime (27379173043) 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, 187927 + ... + 300124.

It is an arithmetic number, because the mean of its divisors is an integer number (6844929300).

Almost surely, 2^27379173049 is an apocalyptic number.

It is an amenable number.

27379173049 is a deficient number, since it is larger than the sum of its proper divisors (544151).

27379173049 is an equidigital number, since it uses as much as digits as its factorization.

27379173049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544150.

The product of its (nonzero) digits is 2000376, while the sum is 52.

The spelling of 27379173049 in words is "twenty-seven billion, three hundred seventy-nine million, one hundred seventy-three thousand, forty-nine".