27323994337019 has 4 divisors (see below), whose sum is σ = 27487611069744. Its totient is φ = 27160377604296.

The previous prime is 27323994337007. The next prime is 27323994337049. The reversal of 27323994337019 is 91073349932372.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27323994337019 is a prime.

It is a super-2 number, since 2×27323994337019² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27323994337049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81808366112 + ... + 81808366445.

It is an arithmetic number, because the mean of its divisors is an integer number (6871902767436).

Almost surely, 2^{27323994337019} is an apocalyptic number.

27323994337019 is a deficient number, since it is larger than the sum of its proper divisors (163616732725).

27323994337019 is a wasteful number, since it uses less digits than its factorization.

27323994337019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163616732724.

The product of its (nonzero) digits is 46294416, while the sum is 62.

The spelling of 27323994337019 in words is "twenty-seven trillion, three hundred twenty-three billion, nine hundred ninety-four million, three hundred thirty-seven thousand, nineteen".