27464362243 has 4 divisors (see below), whose sum is σ = 27465480648. Its totient is φ = 27463243840.

The previous prime is 27464362201. The next prime is 27464362309. The reversal of 27464362243 is 34226346472.

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

It is a cyclic number.

It is not a de Polignac number, because 27464362243 - 2²¹ = 27462265091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27464362243.

It is not an unprimeable number, because it can be changed into a prime (27464362643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521521 + ... + 571762.

It is an arithmetic number, because the mean of its divisors is an integer number (6866370162).

Almost surely, 2^27464362243 is an apocalyptic number.

27464362243 is a deficient number, since it is larger than the sum of its proper divisors (1118405).

27464362243 is a wasteful number, since it uses less digits than its factorization.

27464362243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118404.

The product of its digits is 1161216, while the sum is 43.

The spelling of 27464362243 in words is "twenty-seven billion, four hundred sixty-four million, three hundred sixty-two thousand, two hundred forty-three".