27031384699 has 4 divisors (see below), whose sum is σ = 29488783320. Its totient is φ = 24573986080.

The previous prime is 27031384687. The next prime is 27031384729. The reversal of 27031384699 is 99648313072.

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-27031384699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27031384669) 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, 1228699294 + ... + 1228699315.

It is an arithmetic number, because the mean of its divisors is an integer number (7372195830).

Almost surely, 2^27031384699 is an apocalyptic number.

27031384699 is a deficient number, since it is larger than the sum of its proper divisors (2457398621).

27031384699 is a wasteful number, since it uses less digits than its factorization.

27031384699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457398620.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 27031384699 in words is "twenty-seven billion, thirty-one million, three hundred eighty-four thousand, six hundred ninety-nine".