27454633245 has 48 divisors (see below), whose sum is σ = 51394215600. Its totient is φ = 13477736448.

The previous prime is 27454633183. The next prime is 27454633247. The reversal of 27454633245 is 54233645472.

27454633245 is a `hidden beast` number, since 2 + 7 + 4 + 5 + 4 + 633 + 2 + 4 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 1683789156 + 25770844089 = 41034^2 + 160533^2 .

It is not a de Polignac number, because 27454633245 - 2⁷ = 27454633117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 27454633245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27454633247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140031 + ... + 272979.

It is an arithmetic number, because the mean of its divisors is an integer number (1070712825).

Almost surely, 2^27454633245 is an apocalyptic number.

It is an amenable number.

27454633245 is a deficient number, since it is larger than the sum of its proper divisors (23939582355).

27454633245 is a wasteful number, since it uses less digits than its factorization.

27454633245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133326 (or 133323 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 45.

The spelling of 27454633245 in words is "twenty-seven billion, four hundred fifty-four million, six hundred thirty-three thousand, two hundred forty-five".