27456156243 has 6 divisors (see below), whose sum is σ = 39658892364. Its totient is φ = 18304104156.

The previous prime is 27456156241. The next prime is 27456156269. The reversal of 27456156243 is 34265165472.

27456156243 is a `hidden beast` number, since 2 + 7 + 4 + 5 + 6 + 15 + 624 + 3 = 666.

It is not a de Polignac number, because 27456156243 - 2¹ = 27456156241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27456156241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1525342005 + ... + 1525342022.

It is an arithmetic number, because the mean of its divisors is an integer number (6609815394).

Almost surely, 2^27456156243 is an apocalyptic number.

27456156243 is a deficient number, since it is larger than the sum of its proper divisors (12202736121).

27456156243 is a wasteful number, since it uses less digits than its factorization.

27456156243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050684033 (or 3050684030 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The spelling of 27456156243 in words is "twenty-seven billion, four hundred fifty-six million, one hundred fifty-six thousand, two hundred forty-three".