27266746243 has 8 divisors (see below), whose sum is σ = 29762472960. Its totient is φ = 24773841480.

The previous prime is 27266746237. The next prime is 27266746249. The reversal of 27266746243 is 34264766272.

It is an interprime number because it is at equal distance from previous prime (27266746237) and next prime (27266746249).

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

It is a cyclic number.

It is not a de Polignac number, because 27266746243 - 2²¹ = 27264649091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27266746249) 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, 685255 + ... + 723952.

It is an arithmetic number, because the mean of its divisors is an integer number (3720309120).

Almost surely, 2^27266746243 is an apocalyptic number.

27266746243 is a deficient number, since it is larger than the sum of its proper divisors (2495726717).

27266746243 is a wasteful number, since it uses less digits than its factorization.

27266746243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410977.

The product of its digits is 4064256, while the sum is 49.

The spelling of 27266746243 in words is "twenty-seven billion, two hundred sixty-six million, seven hundred forty-six thousand, two hundred forty-three".