27458319243 has 8 divisors (see below), whose sum is σ = 38537992000. Its totient is φ = 17342096328.

The previous prime is 27458319211. The next prime is 27458319253. The reversal of 27458319243 is 34291385472.

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

It is not a de Polignac number, because 27458319243 - 2⁵ = 27458319211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27458319192 and 27458319201.

It is not an unprimeable number, because it can be changed into a prime (27458319253) 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 7 ways as a sum of consecutive naturals, for example, 240862393 + ... + 240862506.

It is an arithmetic number, because the mean of its divisors is an integer number (4817249000).

Almost surely, 2^27458319243 is an apocalyptic number.

27458319243 is a deficient number, since it is larger than the sum of its proper divisors (11079672757).

27458319243 is a wasteful number, since it uses less digits than its factorization.

27458319243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481724921.

The product of its digits is 1451520, while the sum is 48.

The spelling of 27458319243 in words is "twenty-seven billion, four hundred fifty-eight million, three hundred nineteen thousand, two hundred forty-three".