27354327573 has 4 divisors (see below), whose sum is σ = 36472436768. Its totient is φ = 18236218380.

The previous prime is 27354327557. The next prime is 27354327613. The reversal of 27354327573 is 37572345372.

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 not a de Polignac number, because 27354327573 - 2⁴ = 27354327557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27354327503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4559054593 + ... + 4559054598.

It is an arithmetic number, because the mean of its divisors is an integer number (9118109192).

Almost surely, 2^27354327573 is an apocalyptic number.

It is an amenable number.

27354327573 is a deficient number, since it is larger than the sum of its proper divisors (9118109195).

27354327573 is an equidigital number, since it uses as much as digits as its factorization.

27354327573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9118109194.

The product of its digits is 3704400, while the sum is 48.

The spelling of 27354327573 in words is "twenty-seven billion, three hundred fifty-four million, three hundred twenty-seven thousand, five hundred seventy-three".